Finding the Fourth Proportional to 31,037.79, 42,833.12 and 17,609.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,037.79 : 42,833.12 = 17,609.61 : x
2. Step 2: Convert to fraction form
   31,037.79/42,833.12 = 17,609.61/x
3. Step 3: Cross multiply
   31,037.79x = 42,833.12 × 17,609.61
4. Step 4: Simplify right side
   31,037.79x = 754,274,538.28
5. Step 5: Solve for x
   x = 754,274,538.28/31,037.79
6. Step 6: Final answer
   x = 24,301.81