Finding the Fourth Proportional to 31,579.31, 43,579.46 and 17,432.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,579.31 : 43,579.46 = 17,432.17 : x
2. Step 2: Convert to fraction form
   31,579.31/43,579.46 = 17,432.17/x
3. Step 3: Cross multiply
   31,579.31x = 43,579.46 × 17,432.17
4. Step 4: Simplify right side
   31,579.31x = 759,684,489.86
5. Step 5: Solve for x
   x = 759,684,489.86/31,579.31
6. Step 6: Final answer
   x = 24,056.40