Finding the Fourth Proportional to 9,825.51, 13,559.24 and 5,349.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825.51 : 13,559.24 = 5,349.30 : x
2. Step 2: Convert to fraction form
   9,825.51/13,559.24 = 5,349.30/x
3. Step 3: Cross multiply
   9,825.51x = 13,559.24 × 5,349.30
4. Step 4: Simplify right side
   9,825.51x = 72,532,415.79
5. Step 5: Solve for x
   x = 72,532,415.79/9,825.51
6. Step 6: Final answer
   x = 7,382.05