Finding the Fourth Proportional to 11,945.52, 16,482.42 and 10,160.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.52 : 16,482.42 = 10,160.28 : x
2. Step 2: Convert to fraction form
   11,945.52/16,482.42 = 10,160.28/x
3. Step 3: Cross multiply
   11,945.52x = 16,482.42 × 10,160.28
4. Step 4: Simplify right side
   11,945.52x = 167,466,002.28
5. Step 5: Solve for x
   x = 167,466,002.28/11,945.52
6. Step 6: Final answer
   x = 14,019.15