Finding the Fourth Proportional to 9,281.31, 12,808.82 and 5,089.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,281.31 : 12,808.82 = 5,089.56 : x
2. Step 2: Convert to fraction form
   9,281.31/12,808.82 = 5,089.56/x
3. Step 3: Cross multiply
   9,281.31x = 12,808.82 × 5,089.56
4. Step 4: Simplify right side
   9,281.31x = 65,191,257.92
5. Step 5: Solve for x
   x = 65,191,257.92/9,281.31
6. Step 6: Final answer
   x = 7,023.93