Finding the Fourth Proportional to 9,825.12, 13,558.59 and 5,348.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825.12 : 13,558.59 = 5,348.86 : x
2. Step 2: Convert to fraction form
   9,825.12/13,558.59 = 5,348.86/x
3. Step 3: Cross multiply
   9,825.12x = 13,558.59 × 5,348.86
4. Step 4: Simplify right side
   9,825.12x = 72,523,049.86
5. Step 5: Solve for x
   x = 72,523,049.86/9,825.12
6. Step 6: Final answer
   x = 7,381.39