Finding the Fourth Proportional to 1,477.63, 2,039.23 and 814.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.63 : 2,039.23 = 814.59 : x
2. Step 2: Convert to fraction form
   1,477.63/2,039.23 = 814.59/x
3. Step 3: Cross multiply
   1,477.63x = 2,039.23 × 814.59
4. Step 4: Simplify right side
   1,477.63x = 1,661,143.50
5. Step 5: Solve for x
   x = 1,661,143.50/1,477.63
6. Step 6: Final answer
   x = 1,124.20