Finding the Fourth Proportional to 31,004.81, 42,787.50 and 17,575.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,004.81 : 42,787.50 = 17,575.52 : x
2. Step 2: Convert to fraction form
   31,004.81/42,787.50 = 17,575.52/x
3. Step 3: Cross multiply
   31,004.81x = 42,787.50 × 17,575.52
4. Step 4: Simplify right side
   31,004.81x = 752,012,562
5. Step 5: Solve for x
   x = 752,012,562/31,004.81
6. Step 6: Final answer
   x = 24,254.71