Finding the Fourth Proportional to 6,112.65, 8,435.52 and 3,561.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,112.65 : 8,435.52 = 3,561.06 : x
2. Step 2: Convert to fraction form
   6,112.65/8,435.52 = 3,561.06/x
3. Step 3: Cross multiply
   6,112.65x = 8,435.52 × 3,561.06
4. Step 4: Simplify right side
   6,112.65x = 30,039,392.85
5. Step 5: Solve for x
   x = 30,039,392.85/6,112.65
6. Step 6: Final answer
   x = 4,914.30