Finding the Fourth Proportional to 9,819.67, 13,550.74 and 5,343.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.67 : 13,550.74 = 5,343.43 : x
2. Step 2: Convert to fraction form
   9,819.67/13,550.74 = 5,343.43/x
3. Step 3: Cross multiply
   9,819.67x = 13,550.74 × 5,343.43
4. Step 4: Simplify right side
   9,819.67x = 72,407,430.64
5. Step 5: Solve for x
   x = 72,407,430.64/9,819.67
6. Step 6: Final answer
   x = 7,373.71