Finding the Fourth Proportional to 1,073.52, 1,481.22 and 607.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.52 : 1,481.22 = 607.74 : x
2. Step 2: Convert to fraction form
   1,073.52/1,481.22 = 607.74/x
3. Step 3: Cross multiply
   1,073.52x = 1,481.22 × 607.74
4. Step 4: Simplify right side
   1,073.52x = 900,196.64
5. Step 5: Solve for x
   x = 900,196.64/1,073.52
6. Step 6: Final answer
   x = 838.55