Finding the Fourth Proportional to 1,096.48, 1,512.74 and 703.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.48 : 1,512.74 = 703.72 : x
2. Step 2: Convert to fraction form
   1,096.48/1,512.74 = 703.72/x
3. Step 3: Cross multiply
   1,096.48x = 1,512.74 × 703.72
4. Step 4: Simplify right side
   1,096.48x = 1,064,545.39
5. Step 5: Solve for x
   x = 1,064,545.39/1,096.48
6. Step 6: Final answer
   x = 970.88