Finding the Fourth Proportional to 6,142.62, 8,476.88 and 3,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.62 : 8,476.88 = 3,490.10 : x
2. Step 2: Convert to fraction form
   6,142.62/8,476.88 = 3,490.10/x
3. Step 3: Cross multiply
   6,142.62x = 8,476.88 × 3,490.10
4. Step 4: Simplify right side
   6,142.62x = 29,585,158.89
5. Step 5: Solve for x
   x = 29,585,158.89/6,142.62
6. Step 6: Final answer
   x = 4,816.37