Finding the Fourth Proportional to 1,073.52, 1,481.42 and 607.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.52 : 1,481.42 = 607.76 : x
2. Step 2: Convert to fraction form
   1,073.52/1,481.42 = 607.76/x
3. Step 3: Cross multiply
   1,073.52x = 1,481.42 × 607.76
4. Step 4: Simplify right side
   1,073.52x = 900,347.82
5. Step 5: Solve for x
   x = 900,347.82/1,073.52
6. Step 6: Final answer
   x = 838.69