Finding the Fourth Proportional to 6,109.42, 8,431.02 and 3,314.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.42 : 8,431.02 = 3,314.92 : x
2. Step 2: Convert to fraction form
   6,109.42/8,431.02 = 3,314.92/x
3. Step 3: Cross multiply
   6,109.42x = 8,431.02 × 3,314.92
4. Step 4: Simplify right side
   6,109.42x = 27,948,156.82
5. Step 5: Solve for x
   x = 27,948,156.82/6,109.42
6. Step 6: Final answer
   x = 4,574.60