Finding the Fourth Proportional to 6,149.56, 8,479.72 and 4,380.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,149.56 : 8,479.72 = 4,380.52 : x
2. Step 2: Convert to fraction form
   6,149.56/8,479.72 = 4,380.52/x
3. Step 3: Cross multiply
   6,149.56x = 8,479.72 × 4,380.52
4. Step 4: Simplify right side
   6,149.56x = 37,145,583.05
5. Step 5: Solve for x
   x = 37,145,583.05/6,149.56
6. Step 6: Final answer
   x = 6,040.36