Finding the Fourth Proportional to 10,175.96, 15,261.12 and 2,780.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,175.96 : 15,261.12 = 2,780.71 : x
2. Step 2: Convert to fraction form
   10,175.96/15,261.12 = 2,780.71/x
3. Step 3: Cross multiply
   10,175.96x = 15,261.12 × 2,780.71
4. Step 4: Simplify right side
   10,175.96x = 42,436,672.69
5. Step 5: Solve for x
   x = 42,436,672.69/10,175.96
6. Step 6: Final answer
   x = 4,170.29