Finding the Fourth Proportional to 9,429.78, 14,146.49 and 3,585.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.78 : 14,146.49 = 3,585.93 : x
2. Step 2: Convert to fraction form
   9,429.78/14,146.49 = 3,585.93/x
3. Step 3: Cross multiply
   9,429.78x = 14,146.49 × 3,585.93
4. Step 4: Simplify right side
   9,429.78x = 50,728,304.96
5. Step 5: Solve for x
   x = 50,728,304.96/9,429.78
6. Step 6: Final answer
   x = 5,379.59