Finding the Fourth Proportional to 31,000.32, 42,782.72 and 17,752.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,000.32 : 42,782.72 = 17,752.32 : x
2. Step 2: Convert to fraction form
   31,000.32/42,782.72 = 17,752.32/x
3. Step 3: Cross multiply
   31,000.32x = 42,782.72 × 17,752.32
4. Step 4: Simplify right side
   31,000.32x = 759,492,535.91
5. Step 5: Solve for x
   x = 759,492,535.91/31,000.32
6. Step 6: Final answer
   x = 24,499.51