Finding the Fourth Proportional to 10,168.49, 15,251.16 and 2,773.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.49 : 15,251.16 = 2,773.55 : x
2. Step 2: Convert to fraction form
   10,168.49/15,251.16 = 2,773.55/x
3. Step 3: Cross multiply
   10,168.49x = 15,251.16 × 2,773.55
4. Step 4: Simplify right side
   10,168.49x = 42,299,778.56
5. Step 5: Solve for x
   x = 42,299,778.56/10,168.49
6. Step 6: Final answer
   x = 4,159.89