Finding the Fourth Proportional to 8,695.48, 13,043.12 and 3,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,695.48 : 13,043.12 = 3,146.72 : x
2. Step 2: Convert to fraction form
   8,695.48/13,043.12 = 3,146.72/x
3. Step 3: Cross multiply
   8,695.48x = 13,043.12 × 3,146.72
4. Step 4: Simplify right side
   8,695.48x = 41,043,046.57
5. Step 5: Solve for x
   x = 41,043,046.57/8,695.48
6. Step 6: Final answer
   x = 4,720.04