Finding the Fourth Proportional to 3,746.88, 5,169.69 and 2,420.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.88 : 5,169.69 = 2,420.10 : x
2. Step 2: Convert to fraction form
   3,746.88/5,169.69 = 2,420.10/x
3. Step 3: Cross multiply
   3,746.88x = 5,169.69 × 2,420.10
4. Step 4: Simplify right side
   3,746.88x = 12,511,166.77
5. Step 5: Solve for x
   x = 12,511,166.77/3,746.88
6. Step 6: Final answer
   x = 3,339.09