Finding the Fourth Proportional to 9,820.86, 13,552.70 and 5,344.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.86 : 13,552.70 = 5,344.54 : x
2. Step 2: Convert to fraction form
   9,820.86/13,552.70 = 5,344.54/x
3. Step 3: Cross multiply
   9,820.86x = 13,552.70 × 5,344.54
4. Step 4: Simplify right side
   9,820.86x = 72,432,947.26
5. Step 5: Solve for x
   x = 72,432,947.26/9,820.86
6. Step 6: Final answer
   x = 7,375.42