Finding the Fourth Proportional to 14,249.69, 21,378.86 and 7,585.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,249.69 : 21,378.86 = 7,585.05 : x
2. Step 2: Convert to fraction form
   14,249.69/21,378.86 = 7,585.05/x
3. Step 3: Cross multiply
   14,249.69x = 21,378.86 × 7,585.05
4. Step 4: Simplify right side
   14,249.69x = 162,159,684.12
5. Step 5: Solve for x
   x = 162,159,684.12/14,249.69
6. Step 6: Final answer
   x = 11,379.88