Finding the Fourth Proportional to 31,020.37, 42,807.21 and 17,592.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,020.37 : 42,807.21 = 17,592.86 : x
2. Step 2: Convert to fraction form
   31,020.37/42,807.21 = 17,592.86/x
3. Step 3: Cross multiply
   31,020.37x = 42,807.21 × 17,592.86
4. Step 4: Simplify right side
   31,020.37x = 753,101,252.52
5. Step 5: Solve for x
   x = 753,101,252.52/31,020.37
6. Step 6: Final answer
   x = 24,277.64