Finding the Fourth Proportional to 10,153.56, 15,231.28 and 2,758.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,153.56 : 15,231.28 = 2,758.04 : x
2. Step 2: Convert to fraction form
   10,153.56/15,231.28 = 2,758.04/x
3. Step 3: Cross multiply
   10,153.56x = 15,231.28 × 2,758.04
4. Step 4: Simplify right side
   10,153.56x = 42,008,479.49
5. Step 5: Solve for x
   x = 42,008,479.49/10,153.56
6. Step 6: Final answer
   x = 4,137.32