Finding the Fourth Proportional to 31,044.24, 42,840.83 and 16,897.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044.24 : 42,840.83 = 16,897.08 : x
2. Step 2: Convert to fraction form
   31,044.24/42,840.83 = 16,897.08/x
3. Step 3: Cross multiply
   31,044.24x = 42,840.83 × 16,897.08
4. Step 4: Simplify right side
   31,044.24x = 723,885,134.67
5. Step 5: Solve for x
   x = 723,885,134.67/31,044.24
6. Step 6: Final answer
   x = 23,317.86