Finding the Fourth Proportional to 1,002.03, 1,381.55 and 752.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.03 : 1,381.55 = 752.55 : x
2. Step 2: Convert to fraction form
   1,002.03/1,381.55 = 752.55/x
3. Step 3: Cross multiply
   1,002.03x = 1,381.55 × 752.55
4. Step 4: Simplify right side
   1,002.03x = 1,039,685.45
5. Step 5: Solve for x
   x = 1,039,685.45/1,002.03
6. Step 6: Final answer
   x = 1,037.58