Finding the Fourth Proportional to 10,167.36, 15,253.56 and 3,147

Step by Step Solution

1. Step 1: Write the proportion equation
   10,167.36 : 15,253.56 = 3,147 : x
2. Step 2: Convert to fraction form
   10,167.36/15,253.56 = 3,147/x
3. Step 3: Cross multiply
   10,167.36x = 15,253.56 × 3,147
4. Step 4: Simplify right side
   10,167.36x = 48,002,953.32
5. Step 5: Solve for x
   x = 48,002,953.32/10,167.36
6. Step 6: Final answer
   x = 4,721.28