Finding the Fourth Proportional to 3,099.54, 4,272.45 and 3,038.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.54 : 4,272.45 = 3,038.10 : x
2. Step 2: Convert to fraction form
   3,099.54/4,272.45 = 3,038.10/x
3. Step 3: Cross multiply
   3,099.54x = 4,272.45 × 3,038.10
4. Step 4: Simplify right side
   3,099.54x = 12,980,130.35
5. Step 5: Solve for x
   x = 12,980,130.35/3,099.54
6. Step 6: Final answer
   x = 4,187.76