Finding the Fourth Proportional to 31,094.61, 42,911.71 and 17,668.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.61 : 42,911.71 = 17,668.14 : x
2. Step 2: Convert to fraction form
   31,094.61/42,911.71 = 17,668.14/x
3. Step 3: Cross multiply
   31,094.61x = 42,911.71 × 17,668.14
4. Step 4: Simplify right side
   31,094.61x = 758,170,099.92
5. Step 5: Solve for x
   x = 758,170,099.92/31,094.61
6. Step 6: Final answer
   x = 24,382.69