Finding the Fourth Proportional to 3,588.78, 5,382.33 and 1,396.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,588.78 : 5,382.33 = 1,396.62 : x
2. Step 2: Convert to fraction form
   3,588.78/5,382.33 = 1,396.62/x
3. Step 3: Cross multiply
   3,588.78x = 5,382.33 × 1,396.62
4. Step 4: Simplify right side
   3,588.78x = 7,517,069.72
5. Step 5: Solve for x
   x = 7,517,069.72/3,588.78
6. Step 6: Final answer
   x = 2,094.60