Finding the Fourth Proportional to 11,268.18, 16,905.03 and 3,872.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,268.18 : 16,905.03 = 3,872.75 : x
2. Step 2: Convert to fraction form
   11,268.18/16,905.03 = 3,872.75/x
3. Step 3: Cross multiply
   11,268.18x = 16,905.03 × 3,872.75
4. Step 4: Simplify right side
   11,268.18x = 65,468,870.41
5. Step 5: Solve for x
   x = 65,468,870.41/11,268.18
6. Step 6: Final answer
   x = 5,810.07