Finding the Fourth Proportional to 9,089.69, 12,547.34 and 5,731.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,089.69 : 12,547.34 = 5,731.83 : x
2. Step 2: Convert to fraction form
   9,089.69/12,547.34 = 5,731.83/x
3. Step 3: Cross multiply
   9,089.69x = 12,547.34 × 5,731.83
4. Step 4: Simplify right side
   9,089.69x = 71,919,212.67
5. Step 5: Solve for x
   x = 71,919,212.67/9,089.69
6. Step 6: Final answer
   x = 7,912.18