Finding the Fourth Proportional to 1,477.89, 2,039.25 and 814.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.89 : 2,039.25 = 814.62 : x
2. Step 2: Convert to fraction form
   1,477.89/2,039.25 = 814.62/x
3. Step 3: Cross multiply
   1,477.89x = 2,039.25 × 814.62
4. Step 4: Simplify right side
   1,477.89x = 1,661,213.84
5. Step 5: Solve for x
   x = 1,661,213.84/1,477.89
6. Step 6: Final answer
   x = 1,124.04