Finding the Fourth Proportional to 2,002.42, 3,001.76 and 1,125.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.42 : 3,001.76 = 1,125.39 : x
2. Step 2: Convert to fraction form
   2,002.42/3,001.76 = 1,125.39/x
3. Step 3: Cross multiply
   2,002.42x = 3,001.76 × 1,125.39
4. Step 4: Simplify right side
   2,002.42x = 3,378,160.54
5. Step 5: Solve for x
   x = 3,378,160.54/2,002.42
6. Step 6: Final answer
   x = 1,687.04