Finding the Fourth Proportional to 1,494.29, 2,061.74 and 830.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.29 : 2,061.74 = 830.99 : x
2. Step 2: Convert to fraction form
   1,494.29/2,061.74 = 830.99/x
3. Step 3: Cross multiply
   1,494.29x = 2,061.74 × 830.99
4. Step 4: Simplify right side
   1,494.29x = 1,713,292.55
5. Step 5: Solve for x
   x = 1,713,292.55/1,494.29
6. Step 6: Final answer
   x = 1,146.56