Finding the Fourth Proportional to 14,333.12, 21,487.43 and 5,443.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,333.12 : 21,487.43 = 5,443.47 : x
2. Step 2: Convert to fraction form
   14,333.12/21,487.43 = 5,443.47/x
3. Step 3: Cross multiply
   14,333.12x = 21,487.43 × 5,443.47
4. Step 4: Simplify right side
   14,333.12x = 116,966,163.57
5. Step 5: Solve for x
   x = 116,966,163.57/14,333.12
6. Step 6: Final answer
   x = 8,160.55