Finding the Fourth Proportional to 3,588.04, 5,381.31 and 1,396.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,588.04 : 5,381.31 = 1,396.72 : x
2. Step 2: Convert to fraction form
   3,588.04/5,381.31 = 1,396.72/x
3. Step 3: Cross multiply
   3,588.04x = 5,381.31 × 1,396.72
4. Step 4: Simplify right side
   3,588.04x = 7,516,183.30
5. Step 5: Solve for x
   x = 7,516,183.30/3,588.04
6. Step 6: Final answer
   x = 2,094.79