Finding the Fourth Proportional to 1,053.30, 1,580.76 and 566.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.30 : 1,580.76 = 566.49 : x
2. Step 2: Convert to fraction form
   1,053.30/1,580.76 = 566.49/x
3. Step 3: Cross multiply
   1,053.30x = 1,580.76 × 566.49
4. Step 4: Simplify right side
   1,053.30x = 895,484.73
5. Step 5: Solve for x
   x = 895,484.73/1,053.30
6. Step 6: Final answer
   x = 850.17