Finding the Fourth Proportional to 6,085.55, 9,128.38 and 2,388.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,085.55 : 9,128.38 = 2,388.15 : x
2. Step 2: Convert to fraction form
   6,085.55/9,128.38 = 2,388.15/x
3. Step 3: Cross multiply
   6,085.55x = 9,128.38 × 2,388.15
4. Step 4: Simplify right side
   6,085.55x = 21,799,939.20
5. Step 5: Solve for x
   x = 21,799,939.20/6,085.55
6. Step 6: Final answer
   x = 3,582.25