Finding the Fourth Proportional to 3,755.63, 5,630.72 and 3,105

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755.63 : 5,630.72 = 3,105 : x
2. Step 2: Convert to fraction form
   3,755.63/5,630.72 = 3,105/x
3. Step 3: Cross multiply
   3,755.63x = 5,630.72 × 3,105
4. Step 4: Simplify right side
   3,755.63x = 17,483,370.08
5. Step 5: Solve for x
   x = 17,483,370.08/3,755.63
6. Step 6: Final answer
   x = 4,655.24