Finding the Fourth Proportional to 5,169,169,128.54, 7,756,009,014.32 and 1,810,150,978.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,169,169,128.54 : 7,756,009,014.32 = 1,810,150,978.19 : x
2. Step 2: Convert to fraction form
   5,169,169,128.54/7,756,009,014.32 = 1,810,150,978.19/x
3. Step 3: Cross multiply
   5,169,169,128.54x = 7,756,009,014.32 × 1,810,150,978.19
4. Step 4: Simplify right side
   5,169,169,128.54x = 14,039,547,304,087,552,000
5. Step 5: Solve for x
   x = 14,039,547,304,087,552,000/5,169,169,128.54
6. Step 6: Final answer
   x = 2,716,016,240.71