Finding the Fourth Proportional to 57,152.19, 78,867.27 and 31,656.83

Step by Step Solution

1. Step 1: Write the proportion equation
   57,152.19 : 78,867.27 = 31,656.83 : x
2. Step 2: Convert to fraction form
   57,152.19/78,867.27 = 31,656.83/x
3. Step 3: Cross multiply
   57,152.19x = 78,867.27 × 31,656.83
4. Step 4: Simplify right side
   57,152.19x = 2,496,687,758.95
5. Step 5: Solve for x
   x = 2,496,687,758.95/57,152.19
6. Step 6: Final answer
   x = 43,684.90