Finding the Fourth Proportional to 1,004.61, 1,386.53 and 743.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.61 : 1,386.53 = 743.38 : x
2. Step 2: Convert to fraction form
   1,004.61/1,386.53 = 743.38/x
3. Step 3: Cross multiply
   1,004.61x = 1,386.53 × 743.38
4. Step 4: Simplify right side
   1,004.61x = 1,030,718.67
5. Step 5: Solve for x
   x = 1,030,718.67/1,004.61
6. Step 6: Final answer
   x = 1,025.99