Finding the Fourth Proportional to 1,815.59, 2,723.76 and 566.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.59 : 2,723.76 = 566.15 : x
2. Step 2: Convert to fraction form
   1,815.59/2,723.76 = 566.15/x
3. Step 3: Cross multiply
   1,815.59x = 2,723.76 × 566.15
4. Step 4: Simplify right side
   1,815.59x = 1,542,056.72
5. Step 5: Solve for x
   x = 1,542,056.72/1,815.59
6. Step 6: Final answer
   x = 849.34