Finding the Fourth Proportional to 10,901.32, 16,352.52 and 3,111.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,901.32 : 16,352.52 = 3,111.28 : x
2. Step 2: Convert to fraction form
   10,901.32/16,352.52 = 3,111.28/x
3. Step 3: Cross multiply
   10,901.32x = 16,352.52 × 3,111.28
4. Step 4: Simplify right side
   10,901.32x = 50,877,268.43
5. Step 5: Solve for x
   x = 50,877,268.43/10,901.32
6. Step 6: Final answer
   x = 4,667.07