Finding the Fourth Proportional to 10,052.28, 15,091.38 and 5,438.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,052.28 : 15,091.38 = 5,438.52 : x
2. Step 2: Convert to fraction form
   10,052.28/15,091.38 = 5,438.52/x
3. Step 3: Cross multiply
   10,052.28x = 15,091.38 × 5,438.52
4. Step 4: Simplify right side
   10,052.28x = 82,074,771.96
5. Step 5: Solve for x
   x = 82,074,771.96/10,052.28
6. Step 6: Final answer
   x = 8,164.79