Finding the Fourth Proportional to 2,375.12, 3,561.46 and 1,388.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.12 : 3,561.46 = 1,388.27 : x
2. Step 2: Convert to fraction form
   2,375.12/3,561.46 = 1,388.27/x
3. Step 3: Cross multiply
   2,375.12x = 3,561.46 × 1,388.27
4. Step 4: Simplify right side
   2,375.12x = 4,944,268.07
5. Step 5: Solve for x
   x = 4,944,268.07/2,375.12
6. Step 6: Final answer
   x = 2,081.69