Finding the Fourth Proportional to 9,280.18, 12,806.49 and 5,088.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.18 : 12,806.49 = 5,088.34 : x
2. Step 2: Convert to fraction form
   9,280.18/12,806.49 = 5,088.34/x
3. Step 3: Cross multiply
   9,280.18x = 12,806.49 × 5,088.34
4. Step 4: Simplify right side
   9,280.18x = 65,163,775.33
5. Step 5: Solve for x
   x = 65,163,775.33/9,280.18
6. Step 6: Final answer
   x = 7,021.82