Finding the Fourth Proportional to 1,477.45, 2,038.89 and 814.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.45 : 2,038.89 = 814.29 : x
2. Step 2: Convert to fraction form
   1,477.45/2,038.89 = 814.29/x
3. Step 3: Cross multiply
   1,477.45x = 2,038.89 × 814.29
4. Step 4: Simplify right side
   1,477.45x = 1,660,243.15
5. Step 5: Solve for x
   x = 1,660,243.15/1,477.45
6. Step 6: Final answer
   x = 1,123.72