Finding the Fourth Proportional to 6,142.92, 8,474.54 and 4,152.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.92 : 8,474.54 = 4,152.76 : x
2. Step 2: Convert to fraction form
   6,142.92/8,474.54 = 4,152.76/x
3. Step 3: Cross multiply
   6,142.92x = 8,474.54 × 4,152.76
4. Step 4: Simplify right side
   6,142.92x = 35,192,730.73
5. Step 5: Solve for x
   x = 35,192,730.73/6,142.92
6. Step 6: Final answer
   x = 5,728.99