Finding the Fourth Proportional to 4,767.98, 7,140.69 and 2,422.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,767.98 : 7,140.69 = 2,422.17 : x
2. Step 2: Convert to fraction form
   4,767.98/7,140.69 = 2,422.17/x
3. Step 3: Cross multiply
   4,767.98x = 7,140.69 × 2,422.17
4. Step 4: Simplify right side
   4,767.98x = 17,295,965.10
5. Step 5: Solve for x
   x = 17,295,965.10/4,767.98
6. Step 6: Final answer
   x = 3,627.52