Finding the Fourth Proportional to 60,915, 91,385.94 and 25,884.60

Step by Step Solution

1. Step 1: Write the proportion equation
   60,915 : 91,385.94 = 25,884.60 : x
2. Step 2: Convert to fraction form
   60,915/91,385.94 = 25,884.60/x
3. Step 3: Cross multiply
   60,915x = 91,385.94 × 25,884.60
4. Step 4: Simplify right side
   60,915x = 2,365,488,502.52
5. Step 5: Solve for x
   x = 2,365,488,502.52/60,915
6. Step 6: Final answer
   x = 38,832.61