Finding the Fourth Proportional to 1,338.59, 1,847.25 and 814.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.59 : 1,847.25 = 814.62 : x
2. Step 2: Convert to fraction form
   1,338.59/1,847.25 = 814.62/x
3. Step 3: Cross multiply
   1,338.59x = 1,847.25 × 814.62
4. Step 4: Simplify right side
   1,338.59x = 1,504,806.80
5. Step 5: Solve for x
   x = 1,504,806.80/1,338.59
6. Step 6: Final answer
   x = 1,124.17