Finding the Fourth Proportional to 1,086.56, 1,630.86 and 566.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.56 : 1,630.86 = 566.93 : x
2. Step 2: Convert to fraction form
   1,086.56/1,630.86 = 566.93/x
3. Step 3: Cross multiply
   1,086.56x = 1,630.86 × 566.93
4. Step 4: Simplify right side
   1,086.56x = 924,572.47
5. Step 5: Solve for x
   x = 924,572.47/1,086.56
6. Step 6: Final answer
   x = 850.92