Finding the Fourth Proportional to 9,767.42, 14,656.59 and 3,928.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,767.42 : 14,656.59 = 3,928.13 : x
2. Step 2: Convert to fraction form
   9,767.42/14,656.59 = 3,928.13/x
3. Step 3: Cross multiply
   9,767.42x = 14,656.59 × 3,928.13
4. Step 4: Simplify right side
   9,767.42x = 57,572,917.59
5. Step 5: Solve for x
   x = 57,572,917.59/9,767.42
6. Step 6: Final answer
   x = 5,894.39