Finding the Fourth Proportional to 6,111.60, 8,434.17 and 3,422.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.60 : 8,434.17 = 3,422.73 : x
2. Step 2: Convert to fraction form
   6,111.60/8,434.17 = 3,422.73/x
3. Step 3: Cross multiply
   6,111.60x = 8,434.17 × 3,422.73
4. Step 4: Simplify right side
   6,111.60x = 28,867,886.68
5. Step 5: Solve for x
   x = 28,867,886.68/6,111.60
6. Step 6: Final answer
   x = 4,723.46