Finding the Fourth Proportional to 9,767.96, 14,643.72 and 3,190.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,767.96 : 14,643.72 = 3,190.56 : x
2. Step 2: Convert to fraction form
   9,767.96/14,643.72 = 3,190.56/x
3. Step 3: Cross multiply
   9,767.96x = 14,643.72 × 3,190.56
4. Step 4: Simplify right side
   9,767.96x = 46,721,667.28
5. Step 5: Solve for x
   x = 46,721,667.28/9,767.96
6. Step 6: Final answer
   x = 4,783.16