Finding the Fourth Proportional to 31,038.79, 42,834.50 and 17,610.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,038.79 : 42,834.50 = 17,610.61 : x
2. Step 2: Convert to fraction form
   31,038.79/42,834.50 = 17,610.61/x
3. Step 3: Cross multiply
   31,038.79x = 42,834.50 × 17,610.61
4. Step 4: Simplify right side
   31,038.79x = 754,341,674.05
5. Step 5: Solve for x
   x = 754,341,674.05/31,038.79
6. Step 6: Final answer
   x = 24,303.19