Finding the Fourth Proportional to 10,154.06, 15,231 and 2,758.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,154.06 : 15,231 = 2,758.52 : x
2. Step 2: Convert to fraction form
   10,154.06/15,231 = 2,758.52/x
3. Step 3: Cross multiply
   10,154.06x = 15,231 × 2,758.52
4. Step 4: Simplify right side
   10,154.06x = 42,015,018.12
5. Step 5: Solve for x
   x = 42,015,018.12/10,154.06
6. Step 6: Final answer
   x = 4,137.76