Finding the Fourth Proportional to 3,493.97, 4,820.59 and 2,148.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493.97 : 4,820.59 = 2,148.18 : x
2. Step 2: Convert to fraction form
   3,493.97/4,820.59 = 2,148.18/x
3. Step 3: Cross multiply
   3,493.97x = 4,820.59 × 2,148.18
4. Step 4: Simplify right side
   3,493.97x = 10,355,495.03
5. Step 5: Solve for x
   x = 10,355,495.03/3,493.97
6. Step 6: Final answer
   x = 2,963.82