Finding the Fourth Proportional to 6,089.12, 9,142.32 and 5,810.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,089.12 : 9,142.32 = 5,810.72 : x
2. Step 2: Convert to fraction form
   6,089.12/9,142.32 = 5,810.72/x
3. Step 3: Cross multiply
   6,089.12x = 9,142.32 × 5,810.72
4. Step 4: Simplify right side
   6,089.12x = 53,123,461.67
5. Step 5: Solve for x
   x = 53,123,461.67/6,089.12
6. Step 6: Final answer
   x = 8,724.32