Finding the Fourth Proportional to 14,064.28, 19,408.56 and 7,776.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,064.28 : 19,408.56 = 7,776.52 : x
2. Step 2: Convert to fraction form
   14,064.28/19,408.56 = 7,776.52/x
3. Step 3: Cross multiply
   14,064.28x = 19,408.56 × 7,776.52
4. Step 4: Simplify right side
   14,064.28x = 150,931,055.01
5. Step 5: Solve for x
   x = 150,931,055.01/14,064.28
6. Step 6: Final answer
   x = 10,731.52