Finding the Fourth Proportional to 12,530.94, 18,789.92 and 3,764.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,530.94 : 18,789.92 = 3,764.71 : x
2. Step 2: Convert to fraction form
   12,530.94/18,789.92 = 3,764.71/x
3. Step 3: Cross multiply
   12,530.94x = 18,789.92 × 3,764.71
4. Step 4: Simplify right side
   12,530.94x = 70,738,599.72
5. Step 5: Solve for x
   x = 70,738,599.72/12,530.94
6. Step 6: Final answer
   x = 5,645.12