Finding the Fourth Proportional to 1,040.02, 1,433.04 and 707.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.02 : 1,433.04 = 707.86 : x
2. Step 2: Convert to fraction form
   1,040.02/1,433.04 = 707.86/x
3. Step 3: Cross multiply
   1,040.02x = 1,433.04 × 707.86
4. Step 4: Simplify right side
   1,040.02x = 1,014,391.69
5. Step 5: Solve for x
   x = 1,014,391.69/1,040.02
6. Step 6: Final answer
   x = 975.36