Finding the Fourth Proportional to 10,978.57, 15,151.62 and 6,732.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.57 : 15,151.62 = 6,732.42 : x
2. Step 2: Convert to fraction form
   10,978.57/15,151.62 = 6,732.42/x
3. Step 3: Cross multiply
   10,978.57x = 15,151.62 × 6,732.42
4. Step 4: Simplify right side
   10,978.57x = 102,007,069.52
5. Step 5: Solve for x
   x = 102,007,069.52/10,978.57
6. Step 6: Final answer
   x = 9,291.47