Finding the Fourth Proportional to 10,168.71, 15,253.61 and 3,153.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.71 : 15,253.61 = 3,153.57 : x
2. Step 2: Convert to fraction form
   10,168.71/15,253.61 = 3,153.57/x
3. Step 3: Cross multiply
   10,168.71x = 15,253.61 × 3,153.57
4. Step 4: Simplify right side
   10,168.71x = 48,103,311.12
5. Step 5: Solve for x
   x = 48,103,311.12/10,168.71
6. Step 6: Final answer
   x = 4,730.52