Finding the Fourth Proportional to 14,443.42, 21,646.20 and 7,417.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.42 : 21,646.20 = 7,417.48 : x
2. Step 2: Convert to fraction form
   14,443.42/21,646.20 = 7,417.48/x
3. Step 3: Cross multiply
   14,443.42x = 21,646.20 × 7,417.48
4. Step 4: Simplify right side
   14,443.42x = 160,560,255.58
5. Step 5: Solve for x
   x = 160,560,255.58/14,443.42
6. Step 6: Final answer
   x = 11,116.50