Finding the Fourth Proportional to 45,456.42, 62,728.42 and 25,312.87

Step by Step Solution

1. Step 1: Write the proportion equation
   45,456.42 : 62,728.42 = 25,312.87 : x
2. Step 2: Convert to fraction form
   45,456.42/62,728.42 = 25,312.87/x
3. Step 3: Cross multiply
   45,456.42x = 62,728.42 × 25,312.87
4. Step 4: Simplify right side
   45,456.42x = 1,587,836,340.77
5. Step 5: Solve for x
   x = 1,587,836,340.77/45,456.42
6. Step 6: Final answer
   x = 34,930.96