Finding the Fourth Proportional to 31,715.02, 43,768.17 and 17,567.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,715.02 : 43,768.17 = 17,567.87 : x
2. Step 2: Convert to fraction form
   31,715.02/43,768.17 = 17,567.87/x
3. Step 3: Cross multiply
   31,715.02x = 43,768.17 × 17,567.87
4. Step 4: Simplify right side
   31,715.02x = 768,913,301.86
5. Step 5: Solve for x
   x = 768,913,301.86/31,715.02
6. Step 6: Final answer
   x = 24,244.45