Finding the Fourth Proportional to 2,456.52, 3,684.80 and 917.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.52 : 3,684.80 = 917.52 : x
2. Step 2: Convert to fraction form
   2,456.52/3,684.80 = 917.52/x
3. Step 3: Cross multiply
   2,456.52x = 3,684.80 × 917.52
4. Step 4: Simplify right side
   2,456.52x = 3,380,877.70
5. Step 5: Solve for x
   x = 3,380,877.70/2,456.52
6. Step 6: Final answer
   x = 1,376.29