Finding the Fourth Proportional to 12,658.37, 17,468.57 and 7,353.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.37 : 17,468.57 = 7,353.19 : x
2. Step 2: Convert to fraction form
   12,658.37/17,468.57 = 7,353.19/x
3. Step 3: Cross multiply
   12,658.37x = 17,468.57 × 7,353.19
4. Step 4: Simplify right side
   12,658.37x = 128,449,633.80
5. Step 5: Solve for x
   x = 128,449,633.80/12,658.37
6. Step 6: Final answer
   x = 10,147.41