Finding the Fourth Proportional to 3,645.52, 5,018.88 and 3,055.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.52 : 5,018.88 = 3,055.12 : x
2. Step 2: Convert to fraction form
   3,645.52/5,018.88 = 3,055.12/x
3. Step 3: Cross multiply
   3,645.52x = 5,018.88 × 3,055.12
4. Step 4: Simplify right side
   3,645.52x = 15,333,280.67
5. Step 5: Solve for x
   x = 15,333,280.67/3,645.52
6. Step 6: Final answer
   x = 4,206.06