Finding the Fourth Proportional to 9,259.72, 12,778.42 and 5,010.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,259.72 : 12,778.42 = 5,010.77 : x
2. Step 2: Convert to fraction form
   9,259.72/12,778.42 = 5,010.77/x
3. Step 3: Cross multiply
   9,259.72x = 12,778.42 × 5,010.77
4. Step 4: Simplify right side
   9,259.72x = 64,029,723.58
5. Step 5: Solve for x
   x = 64,029,723.58/9,259.72
6. Step 6: Final answer
   x = 6,914.87