Finding the Fourth Proportional to 12,551.52, 17,320.32 and 7,174.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,551.52 : 17,320.32 = 7,174.53 : x
2. Step 2: Convert to fraction form
   12,551.52/17,320.32 = 7,174.53/x
3. Step 3: Cross multiply
   12,551.52x = 17,320.32 × 7,174.53
4. Step 4: Simplify right side
   12,551.52x = 124,265,155.45
5. Step 5: Solve for x
   x = 124,265,155.45/12,551.52
6. Step 6: Final answer
   x = 9,900.41