Finding the Fourth Proportional to 14,124.72, 21,189.33 and 4,765.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,124.72 : 21,189.33 = 4,765.56 : x
2. Step 2: Convert to fraction form
   14,124.72/21,189.33 = 4,765.56/x
3. Step 3: Cross multiply
   14,124.72x = 21,189.33 × 4,765.56
4. Step 4: Simplify right side
   14,124.72x = 100,979,023.47
5. Step 5: Solve for x
   x = 100,979,023.47/14,124.72
6. Step 6: Final answer
   x = 7,149.10