Finding the Fourth Proportional to 9,819.44, 13,550.72 and 5,343.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.44 : 13,550.72 = 5,343.12 : x
2. Step 2: Convert to fraction form
   9,819.44/13,550.72 = 5,343.12/x
3. Step 3: Cross multiply
   9,819.44x = 13,550.72 × 5,343.12
4. Step 4: Simplify right side
   9,819.44x = 72,403,123.05
5. Step 5: Solve for x
   x = 72,403,123.05/9,819.44
6. Step 6: Final answer
   x = 7,373.45