Finding the Fourth Proportional to 1,476.38, 2,037.42 and 813.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.38 : 2,037.42 = 813.25 : x
2. Step 2: Convert to fraction form
   1,476.38/2,037.42 = 813.25/x
3. Step 3: Cross multiply
   1,476.38x = 2,037.42 × 813.25
4. Step 4: Simplify right side
   1,476.38x = 1,656,932.83
5. Step 5: Solve for x
   x = 1,656,932.83/1,476.38
6. Step 6: Final answer
   x = 1,122.29