Finding the Fourth Proportional to 9,819.72, 13,551.04 and 5,343.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.72 : 13,551.04 = 5,343.32 : x
2. Step 2: Convert to fraction form
   9,819.72/13,551.04 = 5,343.32/x
3. Step 3: Cross multiply
   9,819.72x = 13,551.04 × 5,343.32
4. Step 4: Simplify right side
   9,819.72x = 72,407,543.05
5. Step 5: Solve for x
   x = 72,407,543.05/9,819.72
6. Step 6: Final answer
   x = 7,373.69