Finding the Fourth Proportional to 1,494.04, 2,061.77 and 830.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.04 : 2,061.77 = 830.89 : x
2. Step 2: Convert to fraction form
   1,494.04/2,061.77 = 830.89/x
3. Step 3: Cross multiply
   1,494.04x = 2,061.77 × 830.89
4. Step 4: Simplify right side
   1,494.04x = 1,713,089.61
5. Step 5: Solve for x
   x = 1,713,089.61/1,494.04
6. Step 6: Final answer
   x = 1,146.62