Finding the Fourth Proportional to 6,142.77, 8,477.02 and 3,490.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.77 : 8,477.02 = 3,490.18 : x
2. Step 2: Convert to fraction form
   6,142.77/8,477.02 = 3,490.18/x
3. Step 3: Cross multiply
   6,142.77x = 8,477.02 × 3,490.18
4. Step 4: Simplify right side
   6,142.77x = 29,586,265.83
5. Step 5: Solve for x
   x = 29,586,265.83/6,142.77
6. Step 6: Final answer
   x = 4,816.44