Finding the Fourth Proportional to 3,389.04, 5,085.69 and 1,540.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.04 : 5,085.69 = 1,540.32 : x
2. Step 2: Convert to fraction form
   3,389.04/5,085.69 = 1,540.32/x
3. Step 3: Cross multiply
   3,389.04x = 5,085.69 × 1,540.32
4. Step 4: Simplify right side
   3,389.04x = 7,833,565.17
5. Step 5: Solve for x
   x = 7,833,565.17/3,389.04
6. Step 6: Final answer
   x = 2,311.44