Finding the Fourth Proportional to 6,456.37, 8,910.08 and 5,056.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.37 : 8,910.08 = 5,056.69 : x
2. Step 2: Convert to fraction form
   6,456.37/8,910.08 = 5,056.69/x
3. Step 3: Cross multiply
   6,456.37x = 8,910.08 × 5,056.69
4. Step 4: Simplify right side
   6,456.37x = 45,055,483.84
5. Step 5: Solve for x
   x = 45,055,483.84/6,456.37
6. Step 6: Final answer
   x = 6,978.46