Finding the Fourth Proportional to 1,562.52, 2,339.94 and 911.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.52 : 2,339.94 = 911.28 : x
2. Step 2: Convert to fraction form
   1,562.52/2,339.94 = 911.28/x
3. Step 3: Cross multiply
   1,562.52x = 2,339.94 × 911.28
4. Step 4: Simplify right side
   1,562.52x = 2,132,340.52
5. Step 5: Solve for x
   x = 2,132,340.52/1,562.52
6. Step 6: Final answer
   x = 1,364.68