Finding the Fourth Proportional to 31,705.64, 43,753.24 and 17,558.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,705.64 : 43,753.24 = 17,558.18 : x
2. Step 2: Convert to fraction form
   31,705.64/43,753.24 = 17,558.18/x
3. Step 3: Cross multiply
   31,705.64x = 43,753.24 × 17,558.18
4. Step 4: Simplify right side
   31,705.64x = 768,227,263.50
5. Step 5: Solve for x
   x = 768,227,263.50/31,705.64
6. Step 6: Final answer
   x = 24,229.99