Finding the Fourth Proportional to 9,068.48, 13,590.42 and 8,158.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,068.48 : 13,590.42 = 8,158.14 : x
2. Step 2: Convert to fraction form
   9,068.48/13,590.42 = 8,158.14/x
3. Step 3: Cross multiply
   9,068.48x = 13,590.42 × 8,158.14
4. Step 4: Simplify right side
   9,068.48x = 110,872,549.02
5. Step 5: Solve for x
   x = 110,872,549.02/9,068.48
6. Step 6: Final answer
   x = 12,226.14