Finding the Fourth Proportional to 9,777.15, 14,667.53 and 3,203.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,777.15 : 14,667.53 = 3,203.69 : x
2. Step 2: Convert to fraction form
   9,777.15/14,667.53 = 3,203.69/x
3. Step 3: Cross multiply
   9,777.15x = 14,667.53 × 3,203.69
4. Step 4: Simplify right side
   9,777.15x = 46,990,129.83
5. Step 5: Solve for x
   x = 46,990,129.83/9,777.15
6. Step 6: Final answer
   x = 4,806.12