Finding the Fourth Proportional to 10,103.30, 15,156.55 and 3,081.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.30 : 15,156.55 = 3,081.71 : x
2. Step 2: Convert to fraction form
   10,103.30/15,156.55 = 3,081.71/x
3. Step 3: Cross multiply
   10,103.30x = 15,156.55 × 3,081.71
4. Step 4: Simplify right side
   10,103.30x = 46,708,015.92
5. Step 5: Solve for x
   x = 46,708,015.92/10,103.30
6. Step 6: Final answer
   x = 4,623.05