Finding the Fourth Proportional to 90,441,892.77, 135,663,678.71 and 25,745,695.48

Step by Step Solution

1. Step 1: Write the proportion equation
   90,441,892.77 : 135,663,678.71 = 25,745,695.48 : x
2. Step 2: Convert to fraction form
   90,441,892.77/135,663,678.71 = 25,745,695.48/x
3. Step 3: Cross multiply
   90,441,892.77x = 135,663,678.71 × 25,745,695.48
4. Step 4: Simplify right side
   90,441,892.77x = 3,492,755,759,764,219.50
5. Step 5: Solve for x
   x = 3,492,755,759,764,219.50/90,441,892.77
6. Step 6: Final answer
   x = 38,618,782.21