Finding the Fourth Proportional to 14,340.72, 21,498.12 and 5,104.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,340.72 : 21,498.12 = 5,104.56 : x
2. Step 2: Convert to fraction form
   14,340.72/21,498.12 = 5,104.56/x
3. Step 3: Cross multiply
   14,340.72x = 21,498.12 × 5,104.56
4. Step 4: Simplify right side
   14,340.72x = 109,738,443.43
5. Step 5: Solve for x
   x = 109,738,443.43/14,340.72
6. Step 6: Final answer
   x = 7,652.23