Finding the Fourth Proportional to 14,535.72, 21,807.18 and 4,147.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,535.72 : 21,807.18 = 4,147.56 : x
2. Step 2: Convert to fraction form
   14,535.72/21,807.18 = 4,147.56/x
3. Step 3: Cross multiply
   14,535.72x = 21,807.18 × 4,147.56
4. Step 4: Simplify right side
   14,535.72x = 90,446,587.48
5. Step 5: Solve for x
   x = 90,446,587.48/14,535.72
6. Step 6: Final answer
   x = 6,222.37