Finding the Fourth Proportional to 1,098.03, 1,515.78 and 700.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.03 : 1,515.78 = 700.23 : x
2. Step 2: Convert to fraction form
   1,098.03/1,515.78 = 700.23/x
3. Step 3: Cross multiply
   1,098.03x = 1,515.78 × 700.23
4. Step 4: Simplify right side
   1,098.03x = 1,061,394.90
5. Step 5: Solve for x
   x = 1,061,394.90/1,098.03
6. Step 6: Final answer
   x = 966.63