Finding the Fourth Proportional to 12,134.72, 18,200.16 and 4,736

Step by Step Solution

1. Step 1: Write the proportion equation
   12,134.72 : 18,200.16 = 4,736 : x
2. Step 2: Convert to fraction form
   12,134.72/18,200.16 = 4,736/x
3. Step 3: Cross multiply
   12,134.72x = 18,200.16 × 4,736
4. Step 4: Simplify right side
   12,134.72x = 86,195,957.76
5. Step 5: Solve for x
   x = 86,195,957.76/12,134.72
6. Step 6: Final answer
   x = 7,103.25