Finding the Fourth Proportional to 127,982,987.83, 176,621,535.89 and 72,230,355.73

Step by Step Solution

1. Step 1: Write the proportion equation
   127,982,987.83 : 176,621,535.89 = 72,230,355.73 : x
2. Step 2: Convert to fraction form
   127,982,987.83/176,621,535.89 = 72,230,355.73/x
3. Step 3: Cross multiply
   127,982,987.83x = 176,621,535.89 × 72,230,355.73
4. Step 4: Simplify right side
   127,982,987.83x = 12,757,436,366,913,662
5. Step 5: Solve for x
   x = 12,757,436,366,913,662/127,982,987.83
6. Step 6: Final answer
   x = 99,680,719.94