Finding the Fourth Proportional to 31,039.93, 42,833.77 and 16,892.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,039.93 : 42,833.77 = 16,892.74 : x
2. Step 2: Convert to fraction form
   31,039.93/42,833.77 = 16,892.74/x
3. Step 3: Cross multiply
   31,039.93x = 42,833.77 × 16,892.74
4. Step 4: Simplify right side
   31,039.93x = 723,579,739.83
5. Step 5: Solve for x
   x = 723,579,739.83/31,039.93
6. Step 6: Final answer
   x = 23,311.26