Finding the Fourth Proportional to 14,978.28, 22,461.96 and 5,114.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.28 : 22,461.96 = 5,114.91 : x
2. Step 2: Convert to fraction form
   14,978.28/22,461.96 = 5,114.91/x
3. Step 3: Cross multiply
   14,978.28x = 22,461.96 × 5,114.91
4. Step 4: Simplify right side
   14,978.28x = 114,890,903.82
5. Step 5: Solve for x
   x = 114,890,903.82/14,978.28
6. Step 6: Final answer
   x = 7,670.50