Finding the Fourth Proportional to 134,569,540.10, 185,706,046.71 and 72,689,906.00

Step by Step Solution

1. Step 1: Write the proportion equation
   134,569,540.10 : 185,706,046.71 = 72,689,906.00 : x
2. Step 2: Convert to fraction form
   134,569,540.10/185,706,046.71 = 72,689,906.00/x
3. Step 3: Cross multiply
   134,569,540.10x = 185,706,046.71 × 72,689,906.00
4. Step 4: Simplify right side
   134,569,540.10x = 13,498,955,078,052,980
5. Step 5: Solve for x
   x = 13,498,955,078,052,980/134,569,540.10
6. Step 6: Final answer
   x = 100,312,114.23