Finding the Fourth Proportional to 2,175,390,851,459, 3,002,048,708,105.80 and 1,186,621,513,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,390,851,459 : 3,002,048,708,105.80 = 1,186,621,513,654.50 : x
2. Step 2: Convert to fraction form
   2,175,390,851,459/3,002,048,708,105.80 = 1,186,621,513,654.50/x
3. Step 3: Cross multiply
   2,175,390,851,459x = 3,002,048,708,105.80 × 1,186,621,513,654.50
4. Step 4: Simplify right side
   2,175,390,851,459x = 3,562,295,582,077,040,476,553,216
5. Step 5: Solve for x
   x = 3,562,295,582,077,040,476,553,216/2,175,390,851,459
6. Step 6: Final answer
   x = 1,637,542,779,812.59