Finding the Fourth Proportional to 31,505.98, 43,484.53 and 18,086.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,505.98 : 43,484.53 = 18,086.30 : x
2. Step 2: Convert to fraction form
   31,505.98/43,484.53 = 18,086.30/x
3. Step 3: Cross multiply
   31,505.98x = 43,484.53 × 18,086.30
4. Step 4: Simplify right side
   31,505.98x = 786,474,254.94
5. Step 5: Solve for x
   x = 786,474,254.94/31,505.98
6. Step 6: Final answer
   x = 24,962.70