Finding the Fourth Proportional to 9,820.51, 13,552.09 and 5,344.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.51 : 13,552.09 = 5,344.28 : x
2. Step 2: Convert to fraction form
   9,820.51/13,552.09 = 5,344.28/x
3. Step 3: Cross multiply
   9,820.51x = 13,552.09 × 5,344.28
4. Step 4: Simplify right side
   9,820.51x = 72,426,163.55
5. Step 5: Solve for x
   x = 72,426,163.55/9,820.51
6. Step 6: Final answer
   x = 7,374.99