Finding the Fourth Proportional to 10,002.28, 14,997.62 and 3,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.28 : 14,997.62 = 3,426.72 : x
2. Step 2: Convert to fraction form
   10,002.28/14,997.62 = 3,426.72/x
3. Step 3: Cross multiply
   10,002.28x = 14,997.62 × 3,426.72
4. Step 4: Simplify right side
   10,002.28x = 51,392,644.41
5. Step 5: Solve for x
   x = 51,392,644.41/10,002.28
6. Step 6: Final answer
   x = 5,138.09