Finding the Fourth Proportional to 1,092.15, 1,506.15 and 698.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.15 : 1,506.15 = 698.49 : x
2. Step 2: Convert to fraction form
   1,092.15/1,506.15 = 698.49/x
3. Step 3: Cross multiply
   1,092.15x = 1,506.15 × 698.49
4. Step 4: Simplify right side
   1,092.15x = 1,052,030.71
5. Step 5: Solve for x
   x = 1,052,030.71/1,092.15
6. Step 6: Final answer
   x = 963.27