Finding the Fourth Proportional to 1,092.18, 1,506.12 and 698.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.18 : 1,506.12 = 698.52 : x
2. Step 2: Convert to fraction form
   1,092.18/1,506.12 = 698.52/x
3. Step 3: Cross multiply
   1,092.18x = 1,506.12 × 698.52
4. Step 4: Simplify right side
   1,092.18x = 1,052,054.94
5. Step 5: Solve for x
   x = 1,052,054.94/1,092.18
6. Step 6: Final answer
   x = 963.26