Finding the Fourth Proportional to 10,978.86, 15,151.05 and 6,502.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.86 : 15,151.05 = 6,502.53 : x
2. Step 2: Convert to fraction form
   10,978.86/15,151.05 = 6,502.53/x
3. Step 3: Cross multiply
   10,978.86x = 15,151.05 × 6,502.53
4. Step 4: Simplify right side
   10,978.86x = 98,520,157.16
5. Step 5: Solve for x
   x = 98,520,157.16/10,978.86
6. Step 6: Final answer
   x = 8,973.62