Finding the Fourth Proportional to 6,451.92, 8,900.98 and 4,212.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,451.92 : 8,900.98 = 4,212.98 : x
2. Step 2: Convert to fraction form
   6,451.92/8,900.98 = 4,212.98/x
3. Step 3: Cross multiply
   6,451.92x = 8,900.98 × 4,212.98
4. Step 4: Simplify right side
   6,451.92x = 37,499,650.72
5. Step 5: Solve for x
   x = 37,499,650.72/6,451.92
6. Step 6: Final answer
   x = 5,812.17