Finding the Fourth Proportional to 1,432.46, 2,146.47 and 691.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.46 : 2,146.47 = 691.27 : x
2. Step 2: Convert to fraction form
   1,432.46/2,146.47 = 691.27/x
3. Step 3: Cross multiply
   1,432.46x = 2,146.47 × 691.27
4. Step 4: Simplify right side
   1,432.46x = 1,483,790.32
5. Step 5: Solve for x
   x = 1,483,790.32/1,432.46
6. Step 6: Final answer
   x = 1,035.83