Finding the Fourth Proportional to 6,272.62, 8,656.60 and 3,478.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,272.62 : 8,656.60 = 3,478.12 : x
2. Step 2: Convert to fraction form
   6,272.62/8,656.60 = 3,478.12/x
3. Step 3: Cross multiply
   6,272.62x = 8,656.60 × 3,478.12
4. Step 4: Simplify right side
   6,272.62x = 30,108,693.59
5. Step 5: Solve for x
   x = 30,108,693.59/6,272.62
6. Step 6: Final answer
   x = 4,800.02