Finding the Fourth Proportional to 6,143.76, 8,477.10 and 3,904.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,143.76 : 8,477.10 = 3,904.82 : x
2. Step 2: Convert to fraction form
   6,143.76/8,477.10 = 3,904.82/x
3. Step 3: Cross multiply
   6,143.76x = 8,477.10 × 3,904.82
4. Step 4: Simplify right side
   6,143.76x = 33,101,549.62
5. Step 5: Solve for x
   x = 33,101,549.62/6,143.76
6. Step 6: Final answer
   x = 5,387.83