Finding the Fourth Proportional to 12,658.68, 17,467.80 and 7,353.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.68 : 17,467.80 = 7,353.42 : x
2. Step 2: Convert to fraction form
   12,658.68/17,467.80 = 7,353.42/x
3. Step 3: Cross multiply
   12,658.68x = 17,467.80 × 7,353.42
4. Step 4: Simplify right side
   12,658.68x = 128,448,069.88
5. Step 5: Solve for x
   x = 128,448,069.88/12,658.68
6. Step 6: Final answer
   x = 10,147.04