Finding the Fourth Proportional to 8,057.42, 12,081.20 and 7,369.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,057.42 : 12,081.20 = 7,369.88 : x
2. Step 2: Convert to fraction form
   8,057.42/12,081.20 = 7,369.88/x
3. Step 3: Cross multiply
   8,057.42x = 12,081.20 × 7,369.88
4. Step 4: Simplify right side
   8,057.42x = 89,036,994.26
5. Step 5: Solve for x
   x = 89,036,994.26/8,057.42
6. Step 6: Final answer
   x = 11,050.31