Finding the Fourth Proportional to 6,142.30, 8,476.60 and 3,490.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.30 : 8,476.60 = 3,490.16 : x
2. Step 2: Convert to fraction form
   6,142.30/8,476.60 = 3,490.16/x
3. Step 3: Cross multiply
   6,142.30x = 8,476.60 × 3,490.16
4. Step 4: Simplify right side
   6,142.30x = 29,584,630.42
5. Step 5: Solve for x
   x = 29,584,630.42/6,142.30
6. Step 6: Final answer
   x = 4,816.54