Finding the Fourth Proportional to 9,828.78, 14,740.77 and 3,587.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,828.78 : 14,740.77 = 3,587.82 : x
2. Step 2: Convert to fraction form
   9,828.78/14,740.77 = 3,587.82/x
3. Step 3: Cross multiply
   9,828.78x = 14,740.77 × 3,587.82
4. Step 4: Simplify right side
   9,828.78x = 52,887,229.42
5. Step 5: Solve for x
   x = 52,887,229.42/9,828.78
6. Step 6: Final answer
   x = 5,380.85