Finding the Fourth Proportional to 1,047.67, 1,569.52 and 699.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.67 : 1,569.52 = 699.96 : x
2. Step 2: Convert to fraction form
   1,047.67/1,569.52 = 699.96/x
3. Step 3: Cross multiply
   1,047.67x = 1,569.52 × 699.96
4. Step 4: Simplify right side
   1,047.67x = 1,098,601.22
5. Step 5: Solve for x
   x = 1,098,601.22/1,047.67
6. Step 6: Final answer
   x = 1,048.61