Finding the Fourth Proportional to 9,765.54, 14,650.56 and 3,191.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,765.54 : 14,650.56 = 3,191.79 : x
2. Step 2: Convert to fraction form
   9,765.54/14,650.56 = 3,191.79/x
3. Step 3: Cross multiply
   9,765.54x = 14,650.56 × 3,191.79
4. Step 4: Simplify right side
   9,765.54x = 46,761,510.90
5. Step 5: Solve for x
   x = 46,761,510.90/9,765.54
6. Step 6: Final answer
   x = 4,788.42