Finding the Fourth Proportional to 9,698.37, 14,549.40 and 3,122.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,698.37 : 14,549.40 = 3,122.79 : x
2. Step 2: Convert to fraction form
   9,698.37/14,549.40 = 3,122.79/x
3. Step 3: Cross multiply
   9,698.37x = 14,549.40 × 3,122.79
4. Step 4: Simplify right side
   9,698.37x = 45,434,720.83
5. Step 5: Solve for x
   x = 45,434,720.83/9,698.37
6. Step 6: Final answer
   x = 4,684.78