Finding the Fourth Proportional to 10,170.05, 15,256.59 and 3,150.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,170.05 : 15,256.59 = 3,150.69 : x
2. Step 2: Convert to fraction form
   10,170.05/15,256.59 = 3,150.69/x
3. Step 3: Cross multiply
   10,170.05x = 15,256.59 × 3,150.69
4. Step 4: Simplify right side
   10,170.05x = 48,068,769.79
5. Step 5: Solve for x
   x = 48,068,769.79/10,170.05
6. Step 6: Final answer
   x = 4,726.51