Finding the Fourth Proportional to 7,606.91, 10,501.31 and 4,778.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,606.91 : 10,501.31 = 4,778.39 : x
2. Step 2: Convert to fraction form
   7,606.91/10,501.31 = 4,778.39/x
3. Step 3: Cross multiply
   7,606.91x = 10,501.31 × 4,778.39
4. Step 4: Simplify right side
   7,606.91x = 50,179,392.89
5. Step 5: Solve for x
   x = 50,179,392.89/7,606.91
6. Step 6: Final answer
   x = 6,596.55