Finding the Fourth Proportional to 31,110.89, 42,933.24 and 16,963.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,110.89 : 42,933.24 = 16,963.83 : x
2. Step 2: Convert to fraction form
   31,110.89/42,933.24 = 16,963.83/x
3. Step 3: Cross multiply
   31,110.89x = 42,933.24 × 16,963.83
4. Step 4: Simplify right side
   31,110.89x = 728,312,184.71
5. Step 5: Solve for x
   x = 728,312,184.71/31,110.89
6. Step 6: Final answer
   x = 23,410.20