Finding the Fourth Proportional to 3,342.72, 5,015.40 and 1,034.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342.72 : 5,015.40 = 1,034.40 : x
2. Step 2: Convert to fraction form
   3,342.72/5,015.40 = 1,034.40/x
3. Step 3: Cross multiply
   3,342.72x = 5,015.40 × 1,034.40
4. Step 4: Simplify right side
   3,342.72x = 5,187,929.76
5. Step 5: Solve for x
   x = 5,187,929.76/3,342.72
6. Step 6: Final answer
   x = 1,552.01