Finding the Fourth Proportional to 1,494.27, 2,061.90 and 864.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.27 : 2,061.90 = 864.69 : x
2. Step 2: Convert to fraction form
   1,494.27/2,061.90 = 864.69/x
3. Step 3: Cross multiply
   1,494.27x = 2,061.90 × 864.69
4. Step 4: Simplify right side
   1,494.27x = 1,782,904.31
5. Step 5: Solve for x
   x = 1,782,904.31/1,494.27
6. Step 6: Final answer
   x = 1,193.16