Finding the Fourth Proportional to 1,073.34, 1,480.32 and 680.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.34 : 1,480.32 = 680.22 : x
2. Step 2: Convert to fraction form
   1,073.34/1,480.32 = 680.22/x
3. Step 3: Cross multiply
   1,073.34x = 1,480.32 × 680.22
4. Step 4: Simplify right side
   1,073.34x = 1,006,943.27
5. Step 5: Solve for x
   x = 1,006,943.27/1,073.34
6. Step 6: Final answer
   x = 938.14