Finding the Fourth Proportional to 9,826.83, 13,560.72 and 5,350.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.83 : 13,560.72 = 5,350.55 : x
2. Step 2: Convert to fraction form
   9,826.83/13,560.72 = 5,350.55/x
3. Step 3: Cross multiply
   9,826.83x = 13,560.72 × 5,350.55
4. Step 4: Simplify right side
   9,826.83x = 72,557,361.25
5. Step 5: Solve for x
   x = 72,557,361.25/9,826.83
6. Step 6: Final answer
   x = 7,383.60