Finding the Fourth Proportional to 31,094.24, 42,910.54 and 17,665.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.24 : 42,910.54 = 17,665.88 : x
2. Step 2: Convert to fraction form
   31,094.24/42,910.54 = 17,665.88/x
3. Step 3: Cross multiply
   31,094.24x = 42,910.54 × 17,665.88
4. Step 4: Simplify right side
   31,094.24x = 758,052,191.66
5. Step 5: Solve for x
   x = 758,052,191.66/31,094.24
6. Step 6: Final answer
   x = 24,379.19