Finding the Fourth Proportional to 17,134.18, 23,658.57 and 13,148.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,134.18 : 23,658.57 = 13,148.98 : x
2. Step 2: Convert to fraction form
   17,134.18/23,658.57 = 13,148.98/x
3. Step 3: Cross multiply
   17,134.18x = 23,658.57 × 13,148.98
4. Step 4: Simplify right side
   17,134.18x = 311,086,063.76
5. Step 5: Solve for x
   x = 311,086,063.76/17,134.18
6. Step 6: Final answer
   x = 18,155.88