Finding the Fourth Proportional to 12,658.02, 17,471.52 and 7,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.02 : 17,471.52 = 7,354.50 : x
2. Step 2: Convert to fraction form
   12,658.02/17,471.52 = 7,354.50/x
3. Step 3: Cross multiply
   12,658.02x = 17,471.52 × 7,354.50
4. Step 4: Simplify right side
   12,658.02x = 128,494,293.84
5. Step 5: Solve for x
   x = 128,494,293.84/12,658.02
6. Step 6: Final answer
   x = 10,151.22