Finding the Fourth Proportional to 9,826.53, 13,560.87 and 5,350.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.53 : 13,560.87 = 5,350.47 : x
2. Step 2: Convert to fraction form
   9,826.53/13,560.87 = 5,350.47/x
3. Step 3: Cross multiply
   9,826.53x = 13,560.87 × 5,350.47
4. Step 4: Simplify right side
   9,826.53x = 72,557,028.11
5. Step 5: Solve for x
   x = 72,557,028.11/9,826.53
6. Step 6: Final answer
   x = 7,383.79