Finding the Fourth Proportional to 9,790.20, 14,667.48 and 8,740.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.20 : 14,667.48 = 8,740.44 : x
2. Step 2: Convert to fraction form
   9,790.20/14,667.48 = 8,740.44/x
3. Step 3: Cross multiply
   9,790.20x = 14,667.48 × 8,740.44
4. Step 4: Simplify right side
   9,790.20x = 128,200,228.89
5. Step 5: Solve for x
   x = 128,200,228.89/9,790.20
6. Step 6: Final answer
   x = 13,094.75