Finding the Fourth Proportional to 134,857,591.59, 186,103,476.72 and 72,977,930.16

Step by Step Solution

1. Step 1: Write the proportion equation
   134,857,591.59 : 186,103,476.72 = 72,977,930.16 : x
2. Step 2: Convert to fraction form
   134,857,591.59/186,103,476.72 = 72,977,930.16/x
3. Step 3: Cross multiply
   134,857,591.59x = 186,103,476.72 × 72,977,930.16
4. Step 4: Simplify right side
   134,857,591.59x = 13,581,446,526,605,346
5. Step 5: Solve for x
   x = 13,581,446,526,605,346/134,857,591.59
6. Step 6: Final answer
   x = 100,709,543.80