Finding the Fourth Proportional to 42,061.91, 63,061.47 and 25,418.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,061.91 : 63,061.47 = 25,418.16 : x
2. Step 2: Convert to fraction form
   42,061.91/63,061.47 = 25,418.16/x
3. Step 3: Cross multiply
   42,061.91x = 63,061.47 × 25,418.16
4. Step 4: Simplify right side
   42,061.91x = 1,602,906,534.30
5. Step 5: Solve for x
   x = 1,602,906,534.30/42,061.91
6. Step 6: Final answer
   x = 38,108.27