Finding the Fourth Proportional to 10,891.32, 16,337.52 and 3,101.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.32 : 16,337.52 = 3,101.28 : x
2. Step 2: Convert to fraction form
   10,891.32/16,337.52 = 3,101.28/x
3. Step 3: Cross multiply
   10,891.32x = 16,337.52 × 3,101.28
4. Step 4: Simplify right side
   10,891.32x = 50,667,224.03
5. Step 5: Solve for x
   x = 50,667,224.03/10,891.32
6. Step 6: Final answer
   x = 4,652.07