Finding the Fourth Proportional to 1,474.91, 2,209.52 and 826.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.91 : 2,209.52 = 826.10 : x
2. Step 2: Convert to fraction form
   1,474.91/2,209.52 = 826.10/x
3. Step 3: Cross multiply
   1,474.91x = 2,209.52 × 826.10
4. Step 4: Simplify right side
   1,474.91x = 1,825,269.29
5. Step 5: Solve for x
   x = 1,825,269.29/1,474.91
6. Step 6: Final answer
   x = 1,237.55