Finding the Fourth Proportional to 13,074.72, 19,621.34 and 5,681.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.72 : 19,621.34 = 5,681.34 : x
2. Step 2: Convert to fraction form
   13,074.72/19,621.34 = 5,681.34/x
3. Step 3: Cross multiply
   13,074.72x = 19,621.34 × 5,681.34
4. Step 4: Simplify right side
   13,074.72x = 111,475,496.69
5. Step 5: Solve for x
   x = 111,475,496.69/13,074.72
6. Step 6: Final answer
   x = 8,526.04