Finding the Fourth Proportional to 1,491.52, 2,058.33 and 828.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.52 : 2,058.33 = 828.38 : x
2. Step 2: Convert to fraction form
   1,491.52/2,058.33 = 828.38/x
3. Step 3: Cross multiply
   1,491.52x = 2,058.33 × 828.38
4. Step 4: Simplify right side
   1,491.52x = 1,705,079.41
5. Step 5: Solve for x
   x = 1,705,079.41/1,491.52
6. Step 6: Final answer
   x = 1,143.18