Finding the Fourth Proportional to 14,978.11, 22,469.16 and 5,114.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.11 : 22,469.16 = 5,114.74 : x
2. Step 2: Convert to fraction form
   14,978.11/22,469.16 = 5,114.74/x
3. Step 3: Cross multiply
   14,978.11x = 22,469.16 × 5,114.74
4. Step 4: Simplify right side
   14,978.11x = 114,923,911.42
5. Step 5: Solve for x
   x = 114,923,911.42/14,978.11
6. Step 6: Final answer
   x = 7,672.79