Finding the Fourth Proportional to 10,168.98, 15,251.90 and 2,774.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.98 : 15,251.90 = 2,774.04 : x
2. Step 2: Convert to fraction form
   10,168.98/15,251.90 = 2,774.04/x
3. Step 3: Cross multiply
   10,168.98x = 15,251.90 × 2,774.04
4. Step 4: Simplify right side
   10,168.98x = 42,309,380.68
5. Step 5: Solve for x
   x = 42,309,380.68/10,168.98
6. Step 6: Final answer
   x = 4,160.63