Finding the Fourth Proportional to 1,062.27, 1,465.16 and 689.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.27 : 1,465.16 = 689.00 : x
2. Step 2: Convert to fraction form
   1,062.27/1,465.16 = 689.00/x
3. Step 3: Cross multiply
   1,062.27x = 1,465.16 × 689.00
4. Step 4: Simplify right side
   1,062.27x = 1,009,484.47
5. Step 5: Solve for x
   x = 1,009,484.47/1,062.27
6. Step 6: Final answer
   x = 950.31