Finding the Fourth Proportional to 12,469.02, 18,703.71 and 3,109.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469.02 : 18,703.71 = 3,109.02 : x
2. Step 2: Convert to fraction form
   12,469.02/18,703.71 = 3,109.02/x
3. Step 3: Cross multiply
   12,469.02x = 18,703.71 × 3,109.02
4. Step 4: Simplify right side
   12,469.02x = 58,150,208.46
5. Step 5: Solve for x
   x = 58,150,208.46/12,469.02
6. Step 6: Final answer
   x = 4,663.57