Finding the Fourth Proportional to 91,462,880.52, 126,044,341.98 and 89,781,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,462,880.52 : 126,044,341.98 = 89,781,755.50 : x
2. Step 2: Convert to fraction form
   91,462,880.52/126,044,341.98 = 89,781,755.50/x
3. Step 3: Cross multiply
   91,462,880.52x = 126,044,341.98 × 89,781,755.50
4. Step 4: Simplify right side
   91,462,880.52x = 11,316,482,293,806,746
5. Step 5: Solve for x
   x = 11,316,482,293,806,746/91,462,880.52
6. Step 6: Final answer
   x = 123,727,595.60