Finding the Fourth Proportional to 31,527.50, 43,498.49 and 18,774.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,527.50 : 43,498.49 = 18,774.18 : x
2. Step 2: Convert to fraction form
   31,527.50/43,498.49 = 18,774.18/x
3. Step 3: Cross multiply
   31,527.50x = 43,498.49 × 18,774.18
4. Step 4: Simplify right side
   31,527.50x = 816,648,387.12
5. Step 5: Solve for x
   x = 816,648,387.12/31,527.50
6. Step 6: Final answer
   x = 25,902.74