Finding the Fourth Proportional to 9,819.75, 13,551.24 and 5,343.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.75 : 13,551.24 = 5,343.49 : x
2. Step 2: Convert to fraction form
   9,819.75/13,551.24 = 5,343.49/x
3. Step 3: Cross multiply
   9,819.75x = 13,551.24 × 5,343.49
4. Step 4: Simplify right side
   9,819.75x = 72,410,888.71
5. Step 5: Solve for x
   x = 72,410,888.71/9,819.75
6. Step 6: Final answer
   x = 7,374.01