Finding the Fourth Proportional to 2,388.75, 3,582.42 and 1,002.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.75 : 3,582.42 = 1,002.05 : x
2. Step 2: Convert to fraction form
   2,388.75/3,582.42 = 1,002.05/x
3. Step 3: Cross multiply
   2,388.75x = 3,582.42 × 1,002.05
4. Step 4: Simplify right side
   2,388.75x = 3,589,746.05
5. Step 5: Solve for x
   x = 3,589,746.05/2,388.75
6. Step 6: Final answer
   x = 1,502.77