Finding the Fourth Proportional to 31,045.68, 42,844.14 and 17,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045.68 : 42,844.14 = 17,617.50 : x
2. Step 2: Convert to fraction form
   31,045.68/42,844.14 = 17,617.50/x
3. Step 3: Cross multiply
   31,045.68x = 42,844.14 × 17,617.50
4. Step 4: Simplify right side
   31,045.68x = 754,806,636.45
5. Step 5: Solve for x
   x = 754,806,636.45/31,045.68
6. Step 6: Final answer
   x = 24,312.78