Finding the Fourth Proportional to 12,529.27, 18,782.72 and 4,743.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,529.27 : 18,782.72 = 4,743.55 : x
2. Step 2: Convert to fraction form
   12,529.27/18,782.72 = 4,743.55/x
3. Step 3: Cross multiply
   12,529.27x = 18,782.72 × 4,743.55
4. Step 4: Simplify right side
   12,529.27x = 89,096,747.74
5. Step 5: Solve for x
   x = 89,096,747.74/12,529.27
6. Step 6: Final answer
   x = 7,111.09