Finding the Fourth Proportional to 12,658.23, 17,468.15 and 7,353.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.23 : 17,468.15 = 7,353.09 : x
2. Step 2: Convert to fraction form
   12,658.23/17,468.15 = 7,353.09/x
3. Step 3: Cross multiply
   12,658.23x = 17,468.15 × 7,353.09
4. Step 4: Simplify right side
   12,658.23x = 128,444,842.32
5. Step 5: Solve for x
   x = 128,444,842.32/12,658.23
6. Step 6: Final answer
   x = 10,147.14