Finding the Fourth Proportional to 31,096.89, 42,913.80 and 17,668.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.89 : 42,913.80 = 17,668.17 : x
2. Step 2: Convert to fraction form
   31,096.89/42,913.80 = 17,668.17/x
3. Step 3: Cross multiply
   31,096.89x = 42,913.80 × 17,668.17
4. Step 4: Simplify right side
   31,096.89x = 758,208,313.75
5. Step 5: Solve for x
   x = 758,208,313.75/31,096.89
6. Step 6: Final answer
   x = 24,382.13