Finding the Fourth Proportional to 31,155.92, 42,993.67 and 17,725.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.92 : 42,993.67 = 17,725.92 : x
2. Step 2: Convert to fraction form
   31,155.92/42,993.67 = 17,725.92/x
3. Step 3: Cross multiply
   31,155.92x = 42,993.67 × 17,725.92
4. Step 4: Simplify right side
   31,155.92x = 762,102,354.93
5. Step 5: Solve for x
   x = 762,102,354.93/31,155.92
6. Step 6: Final answer
   x = 24,460.92