Finding the Fourth Proportional to 6,112.56, 8,435.46 and 3,722.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,112.56 : 8,435.46 = 3,722.64 : x
2. Step 2: Convert to fraction form
   6,112.56/8,435.46 = 3,722.64/x
3. Step 3: Cross multiply
   6,112.56x = 8,435.46 × 3,722.64
4. Step 4: Simplify right side
   6,112.56x = 31,402,180.81
5. Step 5: Solve for x
   x = 31,402,180.81/6,112.56
6. Step 6: Final answer
   x = 5,137.32