Finding the Fourth Proportional to 9,088.45, 12,542.18 and 5,109.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.45 : 12,542.18 = 5,109.33 : x
2. Step 2: Convert to fraction form
   9,088.45/12,542.18 = 5,109.33/x
3. Step 3: Cross multiply
   9,088.45x = 12,542.18 × 5,109.33
4. Step 4: Simplify right side
   9,088.45x = 64,082,136.54
5. Step 5: Solve for x
   x = 64,082,136.54/9,088.45
6. Step 6: Final answer
   x = 7,050.94