Finding the Fourth Proportional to 57,150.94, 78,865.55 and 31,655.58

Step by Step Solution

1. Step 1: Write the proportion equation
   57,150.94 : 78,865.55 = 31,655.58 : x
2. Step 2: Convert to fraction form
   57,150.94/78,865.55 = 31,655.58/x
3. Step 3: Cross multiply
   57,150.94x = 78,865.55 × 31,655.58
4. Step 4: Simplify right side
   57,150.94x = 2,496,534,727.27
5. Step 5: Solve for x
   x = 2,496,534,727.27/57,150.94
6. Step 6: Final answer
   x = 43,683.18