Finding the Fourth Proportional to 10,162.71, 15,240.06 and 3,919.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,162.71 : 15,240.06 = 3,919.29 : x
2. Step 2: Convert to fraction form
   10,162.71/15,240.06 = 3,919.29/x
3. Step 3: Cross multiply
   10,162.71x = 15,240.06 × 3,919.29
4. Step 4: Simplify right side
   10,162.71x = 59,730,214.76
5. Step 5: Solve for x
   x = 59,730,214.76/10,162.71
6. Step 6: Final answer
   x = 5,877.39