Finding the Fourth Proportional to 9,110.96, 13,667.88 and 3,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,110.96 : 13,667.88 = 3,189.50 : x
2. Step 2: Convert to fraction form
   9,110.96/13,667.88 = 3,189.50/x
3. Step 3: Cross multiply
   9,110.96x = 13,667.88 × 3,189.50
4. Step 4: Simplify right side
   9,110.96x = 43,593,634.92
5. Step 5: Solve for x
   x = 43,593,634.92/9,110.96
6. Step 6: Final answer
   x = 4,784.75