Finding the Fourth Proportional to 31,119.83, 42,949 and 17,693.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,119.83 : 42,949 = 17,693.10 : x
2. Step 2: Convert to fraction form
   31,119.83/42,949 = 17,693.10/x
3. Step 3: Cross multiply
   31,119.83x = 42,949 × 17,693.10
4. Step 4: Simplify right side
   31,119.83x = 759,900,951.90
5. Step 5: Solve for x
   x = 759,900,951.90/31,119.83
6. Step 6: Final answer
   x = 24,418.54