Finding the Fourth Proportional to 9,840.83, 13,579.39 and 5,648.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,840.83 : 13,579.39 = 5,648.27 : x
2. Step 2: Convert to fraction form
   9,840.83/13,579.39 = 5,648.27/x
3. Step 3: Cross multiply
   9,840.83x = 13,579.39 × 5,648.27
4. Step 4: Simplify right side
   9,840.83x = 76,700,061.16
5. Step 5: Solve for x
   x = 76,700,061.16/9,840.83
6. Step 6: Final answer
   x = 7,794.06