Finding the Fourth Proportional to 17,749.31, 24,499.07 and 12,445.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,749.31 : 24,499.07 = 12,445.43 : x
2. Step 2: Convert to fraction form
   17,749.31/24,499.07 = 12,445.43/x
3. Step 3: Cross multiply
   17,749.31x = 24,499.07 × 12,445.43
4. Step 4: Simplify right side
   17,749.31x = 304,901,276.03
5. Step 5: Solve for x
   x = 304,901,276.03/17,749.31
6. Step 6: Final answer
   x = 17,178.21