Finding the Fourth Proportional to 9,088.34, 12,545.43 and 5,730.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.34 : 12,545.43 = 5,730.44 : x
2. Step 2: Convert to fraction form
   9,088.34/12,545.43 = 5,730.44/x
3. Step 3: Cross multiply
   9,088.34x = 12,545.43 × 5,730.44
4. Step 4: Simplify right side
   9,088.34x = 71,890,833.89
5. Step 5: Solve for x
   x = 71,890,833.89/9,088.34
6. Step 6: Final answer
   x = 7,910.23