Finding the Fourth Proportional to 14,365.29, 19,810.17 and 9,585.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,365.29 : 19,810.17 = 9,585.42 : x
2. Step 2: Convert to fraction form
   14,365.29/19,810.17 = 9,585.42/x
3. Step 3: Cross multiply
   14,365.29x = 19,810.17 × 9,585.42
4. Step 4: Simplify right side
   14,365.29x = 189,888,799.72
5. Step 5: Solve for x
   x = 189,888,799.72/14,365.29
6. Step 6: Final answer
   x = 13,218.58