Finding the Fourth Proportional to 1,059.38, 1,460.94 and 686.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.38 : 1,460.94 = 686.17 : x
2. Step 2: Convert to fraction form
   1,059.38/1,460.94 = 686.17/x
3. Step 3: Cross multiply
   1,059.38x = 1,460.94 × 686.17
4. Step 4: Simplify right side
   1,059.38x = 1,002,452.45
5. Step 5: Solve for x
   x = 1,002,452.45/1,059.38
6. Step 6: Final answer
   x = 946.26