Finding the Fourth Proportional to 6,142.38, 8,477.46 and 3,490.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.38 : 8,477.46 = 3,490.62 : x
2. Step 2: Convert to fraction form
   6,142.38/8,477.46 = 3,490.62/x
3. Step 3: Cross multiply
   6,142.38x = 8,477.46 × 3,490.62
4. Step 4: Simplify right side
   6,142.38x = 29,591,591.43
5. Step 5: Solve for x
   x = 29,591,591.43/6,142.38
6. Step 6: Final answer
   x = 4,817.61