Finding the Fourth Proportional to 1,002.53, 1,382.24 and 753.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.53 : 1,382.24 = 753.05 : x
2. Step 2: Convert to fraction form
   1,002.53/1,382.24 = 753.05/x
3. Step 3: Cross multiply
   1,002.53x = 1,382.24 × 753.05
4. Step 4: Simplify right side
   1,002.53x = 1,040,885.16
5. Step 5: Solve for x
   x = 1,040,885.16/1,002.53
6. Step 6: Final answer
   x = 1,038.26