Finding the Fourth Proportional to 1,092.42, 1,506.06 and 698.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.42 : 1,506.06 = 698.76 : x
2. Step 2: Convert to fraction form
   1,092.42/1,506.06 = 698.76/x
3. Step 3: Cross multiply
   1,092.42x = 1,506.06 × 698.76
4. Step 4: Simplify right side
   1,092.42x = 1,052,374.49
5. Step 5: Solve for x
   x = 1,052,374.49/1,092.42
6. Step 6: Final answer
   x = 963.34