Finding the Fourth Proportional to 2,175,365,002.68, 3,002,004,135.72 and 1,185,290,419.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,365,002.68 : 3,002,004,135.72 = 1,185,290,419.68 : x
2. Step 2: Convert to fraction form
   2,175,365,002.68/3,002,004,135.72 = 1,185,290,419.68/x
3. Step 3: Cross multiply
   2,175,365,002.68x = 3,002,004,135.72 × 1,185,290,419.68
4. Step 4: Simplify right side
   2,175,365,002.68x = 3,558,246,741,908,654,592
5. Step 5: Solve for x
   x = 3,558,246,741,908,654,592/2,175,365,002.68
6. Step 6: Final answer
   x = 1,635,701,014.55