Finding the Fourth Proportional to 9,438.56, 14,168.78 and 5,064.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,438.56 : 14,168.78 = 5,064.56 : x
2. Step 2: Convert to fraction form
   9,438.56/14,168.78 = 5,064.56/x
3. Step 3: Cross multiply
   9,438.56x = 14,168.78 × 5,064.56
4. Step 4: Simplify right side
   9,438.56x = 71,758,636.44
5. Step 5: Solve for x
   x = 71,758,636.44/9,438.56
6. Step 6: Final answer
   x = 7,602.71