Finding the Fourth Proportional to 10,978.04, 15,150.96 and 6,263

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.04 : 15,150.96 = 6,263 : x
2. Step 2: Convert to fraction form
   10,978.04/15,150.96 = 6,263/x
3. Step 3: Cross multiply
   10,978.04x = 15,150.96 × 6,263
4. Step 4: Simplify right side
   10,978.04x = 94,890,462.48
5. Step 5: Solve for x
   x = 94,890,462.48/10,978.04
6. Step 6: Final answer
   x = 8,643.66