Finding the Fourth Proportional to 3,448.46, 4,756.42 and 2,122.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448.46 : 4,756.42 = 2,122.88 : x
2. Step 2: Convert to fraction form
   3,448.46/4,756.42 = 2,122.88/x
3. Step 3: Cross multiply
   3,448.46x = 4,756.42 × 2,122.88
4. Step 4: Simplify right side
   3,448.46x = 10,097,308.89
5. Step 5: Solve for x
   x = 10,097,308.89/3,448.46
6. Step 6: Final answer
   x = 2,928.06