Finding the Fourth Proportional to 10,978.42, 15,151.71 and 6,264.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.42 : 15,151.71 = 6,264.22 : x
2. Step 2: Convert to fraction form
   10,978.42/15,151.71 = 6,264.22/x
3. Step 3: Cross multiply
   10,978.42x = 15,151.71 × 6,264.22
4. Step 4: Simplify right side
   10,978.42x = 94,913,644.82
5. Step 5: Solve for x
   x = 94,913,644.82/10,978.42
6. Step 6: Final answer
   x = 8,645.47