Finding the Fourth Proportional to 1,114.28, 1,670.72 and 566.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.28 : 1,670.72 = 566.84 : x
2. Step 2: Convert to fraction form
   1,114.28/1,670.72 = 566.84/x
3. Step 3: Cross multiply
   1,114.28x = 1,670.72 × 566.84
4. Step 4: Simplify right side
   1,114.28x = 947,022.57
5. Step 5: Solve for x
   x = 947,022.57/1,114.28
6. Step 6: Final answer
   x = 849.90