Finding the Fourth Proportional to 31,110.18, 42,931.83 and 16,963.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,110.18 : 42,931.83 = 16,963.62 : x
2. Step 2: Convert to fraction form
   31,110.18/42,931.83 = 16,963.62/x
3. Step 3: Cross multiply
   31,110.18x = 42,931.83 × 16,963.62
4. Step 4: Simplify right side
   31,110.18x = 728,279,250.02
5. Step 5: Solve for x
   x = 728,279,250.02/31,110.18
6. Step 6: Final answer
   x = 23,409.68