Finding the Fourth Proportional to 57,061.40, 85,612.35 and 25,468.58

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.40 : 85,612.35 = 25,468.58 : x
2. Step 2: Convert to fraction form
   57,061.40/85,612.35 = 25,468.58/x
3. Step 3: Cross multiply
   57,061.40x = 85,612.35 × 25,468.58
4. Step 4: Simplify right side
   57,061.40x = 2,180,424,984.96
5. Step 5: Solve for x
   x = 2,180,424,984.96/57,061.40
6. Step 6: Final answer
   x = 38,211.91