Finding the Fourth Proportional to 6,456.51, 8,906.76 and 5,127.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.51 : 8,906.76 = 5,127.30 : x
2. Step 2: Convert to fraction form
   6,456.51/8,906.76 = 5,127.30/x
3. Step 3: Cross multiply
   6,456.51x = 8,906.76 × 5,127.30
4. Step 4: Simplify right side
   6,456.51x = 45,667,630.55
5. Step 5: Solve for x
   x = 45,667,630.55/6,456.51
6. Step 6: Final answer
   x = 7,073.11