Finding the Fourth Proportional to 9,819.49, 13,550.89 and 5,343.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.49 : 13,550.89 = 5,343.24 : x
2. Step 2: Convert to fraction form
   9,819.49/13,550.89 = 5,343.24/x
3. Step 3: Cross multiply
   9,819.49x = 13,550.89 × 5,343.24
4. Step 4: Simplify right side
   9,819.49x = 72,405,657.48
5. Step 5: Solve for x
   x = 72,405,657.48/9,819.49
6. Step 6: Final answer
   x = 7,373.67