Finding the Fourth Proportional to 31,002.62, 42,782.72 and 17,575.11

Step by Step Solution

1. Step 1: Write the proportion equation
   31,002.62 : 42,782.72 = 17,575.11 : x
2. Step 2: Convert to fraction form
   31,002.62/42,782.72 = 17,575.11/x
3. Step 3: Cross multiply
   31,002.62x = 42,782.72 × 17,575.11
4. Step 4: Simplify right side
   31,002.62x = 751,910,922.22
5. Step 5: Solve for x
   x = 751,910,922.22/31,002.62
6. Step 6: Final answer
   x = 24,253.15