Finding the Fourth Proportional to 31,739.84, 43,801.52 and 17,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,739.84 : 43,801.52 = 17,398.72 : x
2. Step 2: Convert to fraction form
   31,739.84/43,801.52 = 17,398.72/x
3. Step 3: Cross multiply
   31,739.84x = 43,801.52 × 17,398.72
4. Step 4: Simplify right side
   31,739.84x = 762,090,382.05
5. Step 5: Solve for x
   x = 762,090,382.05/31,739.84
6. Step 6: Final answer
   x = 24,010.53