Finding the Fourth Proportional to 9,825.87, 13,559.98 and 5,349.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825.87 : 13,559.98 = 5,349.70 : x
2. Step 2: Convert to fraction form
   9,825.87/13,559.98 = 5,349.70/x
3. Step 3: Cross multiply
   9,825.87x = 13,559.98 × 5,349.70
4. Step 4: Simplify right side
   9,825.87x = 72,541,825.01
5. Step 5: Solve for x
   x = 72,541,825.01/9,825.87
6. Step 6: Final answer
   x = 7,382.74