Finding the Fourth Proportional to 1,477.59, 2,039.00 and 814.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.59 : 2,039.00 = 814.43 : x
2. Step 2: Convert to fraction form
   1,477.59/2,039.00 = 814.43/x
3. Step 3: Cross multiply
   1,477.59x = 2,039.00 × 814.43
4. Step 4: Simplify right side
   1,477.59x = 1,660,629.90
5. Step 5: Solve for x
   x = 1,660,629.90/1,477.59
6. Step 6: Final answer
   x = 1,123.88