Finding the Fourth Proportional to 3,389.18, 5,084.54 and 1,540.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.18 : 5,084.54 = 1,540.82 : x
2. Step 2: Convert to fraction form
   3,389.18/5,084.54 = 1,540.82/x
3. Step 3: Cross multiply
   3,389.18x = 5,084.54 × 1,540.82
4. Step 4: Simplify right side
   3,389.18x = 7,834,371.71
5. Step 5: Solve for x
   x = 7,834,371.71/3,389.18
6. Step 6: Final answer
   x = 2,311.59