Finding the Fourth Proportional to 3,498.48, 4,827.60 and 2,172.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.48 : 4,827.60 = 2,172.54 : x
2. Step 2: Convert to fraction form
   3,498.48/4,827.60 = 2,172.54/x
3. Step 3: Cross multiply
   3,498.48x = 4,827.60 × 2,172.54
4. Step 4: Simplify right side
   3,498.48x = 10,488,154.10
5. Step 5: Solve for x
   x = 10,488,154.10/3,498.48
6. Step 6: Final answer
   x = 2,997.92