Finding the Fourth Proportional to 17,634.78, 24,367.52 and 13,115.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,634.78 : 24,367.52 = 13,115.72 : x
2. Step 2: Convert to fraction form
   17,634.78/24,367.52 = 13,115.72/x
3. Step 3: Cross multiply
   17,634.78x = 24,367.52 × 13,115.72
4. Step 4: Simplify right side
   17,634.78x = 319,597,663.12
5. Step 5: Solve for x
   x = 319,597,663.12/17,634.78
6. Step 6: Final answer
   x = 18,123.14