Finding the Fourth Proportional to 9,443.16, 14,159.52 and 3,815.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.16 : 14,159.52 = 3,815.76 : x
2. Step 2: Convert to fraction form
   9,443.16/14,159.52 = 3,815.76/x
3. Step 3: Cross multiply
   9,443.16x = 14,159.52 × 3,815.76
4. Step 4: Simplify right side
   9,443.16x = 54,029,330.04
5. Step 5: Solve for x
   x = 54,029,330.04/9,443.16
6. Step 6: Final answer
   x = 5,721.53