Finding the Fourth Proportional to 12,868.54, 17,757.72 and 7,202.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,868.54 : 17,757.72 = 7,202.32 : x
2. Step 2: Convert to fraction form
   12,868.54/17,757.72 = 7,202.32/x
3. Step 3: Cross multiply
   12,868.54x = 17,757.72 × 7,202.32
4. Step 4: Simplify right side
   12,868.54x = 127,896,737.52
5. Step 5: Solve for x
   x = 127,896,737.52/12,868.54
6. Step 6: Final answer
   x = 9,938.72