Finding the Fourth Proportional to 1,047.27, 1,566.63 and 697.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.27 : 1,566.63 = 697.35 : x
2. Step 2: Convert to fraction form
   1,047.27/1,566.63 = 697.35/x
3. Step 3: Cross multiply
   1,047.27x = 1,566.63 × 697.35
4. Step 4: Simplify right side
   1,047.27x = 1,092,489.43
5. Step 5: Solve for x
   x = 1,092,489.43/1,047.27
6. Step 6: Final answer
   x = 1,043.18