Finding the Fourth Proportional to 1,092.76, 1,505.88 and 699.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.76 : 1,505.88 = 699.10 : x
2. Step 2: Convert to fraction form
   1,092.76/1,505.88 = 699.10/x
3. Step 3: Cross multiply
   1,092.76x = 1,505.88 × 699.10
4. Step 4: Simplify right side
   1,092.76x = 1,052,760.71
5. Step 5: Solve for x
   x = 1,052,760.71/1,092.76
6. Step 6: Final answer
   x = 963.40