Finding the Fourth Proportional to 9,002.22, 13,487.84 and 8,089.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.22 : 13,487.84 = 8,089.16 : x
2. Step 2: Convert to fraction form
   9,002.22/13,487.84 = 8,089.16/x
3. Step 3: Cross multiply
   9,002.22x = 13,487.84 × 8,089.16
4. Step 4: Simplify right side
   9,002.22x = 109,105,187.93
5. Step 5: Solve for x
   x = 109,105,187.93/9,002.22
6. Step 6: Final answer
   x = 12,119.81