Finding the Fourth Proportional to 1,446.42, 2,167.89 and 830.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.42 : 2,167.89 = 830.52 : x
2. Step 2: Convert to fraction form
   1,446.42/2,167.89 = 830.52/x
3. Step 3: Cross multiply
   1,446.42x = 2,167.89 × 830.52
4. Step 4: Simplify right side
   1,446.42x = 1,800,476.00
5. Step 5: Solve for x
   x = 1,800,476.00/1,446.42
6. Step 6: Final answer
   x = 1,244.78