Finding the Fourth Proportional to 91,765,616.43, 126,639,892.34 and 49,947,662.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,765,616.43 : 126,639,892.34 = 49,947,662.10 : x
2. Step 2: Convert to fraction form
   91,765,616.43/126,639,892.34 = 49,947,662.10/x
3. Step 3: Cross multiply
   91,765,616.43x = 126,639,892.34 × 49,947,662.10
4. Step 4: Simplify right side
   91,765,616.43x = 6,325,366,550,978,699
5. Step 5: Solve for x
   x = 6,325,366,550,978,699/91,765,616.43
6. Step 6: Final answer
   x = 68,929,592.55