Finding the Fourth Proportional to 57,152.69, 78,867.96 and 31,657.33

Step by Step Solution

1. Step 1: Write the proportion equation
   57,152.69 : 78,867.96 = 31,657.33 : x
2. Step 2: Convert to fraction form
   57,152.69/78,867.96 = 31,657.33/x
3. Step 3: Cross multiply
   57,152.69x = 78,867.96 × 31,657.33
4. Step 4: Simplify right side
   57,152.69x = 2,496,749,036.15
5. Step 5: Solve for x
   x = 2,496,749,036.15/57,152.69
6. Step 6: Final answer
   x = 43,685.59