Finding the Fourth Proportional to 1,458.04, 2,011.89 and 868.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.04 : 2,011.89 = 868.81 : x
2. Step 2: Convert to fraction form
   1,458.04/2,011.89 = 868.81/x
3. Step 3: Cross multiply
   1,458.04x = 2,011.89 × 868.81
4. Step 4: Simplify right side
   1,458.04x = 1,747,950.15
5. Step 5: Solve for x
   x = 1,747,950.15/1,458.04
6. Step 6: Final answer
   x = 1,198.84