Finding the Fourth Proportional to 57,061.25, 78,743.10 and 31,569.04

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.25 : 78,743.10 = 31,569.04 : x
2. Step 2: Convert to fraction form
   57,061.25/78,743.10 = 31,569.04/x
3. Step 3: Cross multiply
   57,061.25x = 78,743.10 × 31,569.04
4. Step 4: Simplify right side
   57,061.25x = 2,485,844,073.62
5. Step 5: Solve for x
   x = 2,485,844,073.62/57,061.25
6. Step 6: Final answer
   x = 43,564.49