Finding the Fourth Proportional to 6,112.56, 8,436.72 and 3,877.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,112.56 : 8,436.72 = 3,877.52 : x
2. Step 2: Convert to fraction form
   6,112.56/8,436.72 = 3,877.52/x
3. Step 3: Cross multiply
   6,112.56x = 8,436.72 × 3,877.52
4. Step 4: Simplify right side
   6,112.56x = 32,713,550.53
5. Step 5: Solve for x
   x = 32,713,550.53/6,112.56
6. Step 6: Final answer
   x = 5,351.86