Finding the Fourth Proportional to 17,501.52, 24,123.12 and 12,390.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,501.52 : 24,123.12 = 12,390.42 : x
2. Step 2: Convert to fraction form
   17,501.52/24,123.12 = 12,390.42/x
3. Step 3: Cross multiply
   17,501.52x = 24,123.12 × 12,390.42
4. Step 4: Simplify right side
   17,501.52x = 298,895,588.51
5. Step 5: Solve for x
   x = 298,895,588.51/17,501.52
6. Step 6: Final answer
   x = 17,078.26