Finding the Fourth Proportional to 78,525.72, 117,726.64 and 39,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,525.72 : 117,726.64 = 39,061.32 : x
2. Step 2: Convert to fraction form
   78,525.72/117,726.64 = 39,061.32/x
3. Step 3: Cross multiply
   78,525.72x = 117,726.64 × 39,061.32
4. Step 4: Simplify right side
   78,525.72x = 4,598,557,957.56
5. Step 5: Solve for x
   x = 4,598,557,957.56/78,525.72
6. Step 6: Final answer
   x = 58,561.17