Finding the Fourth Proportional to 38,613.37, 57,924.83 and 13,648.27

Step by Step Solution

1. Step 1: Write the proportion equation
   38,613.37 : 57,924.83 = 13,648.27 : x
2. Step 2: Convert to fraction form
   38,613.37/57,924.83 = 13,648.27/x
3. Step 3: Cross multiply
   38,613.37x = 57,924.83 × 13,648.27
4. Step 4: Simplify right side
   38,613.37x = 790,573,749.30
5. Step 5: Solve for x
   x = 790,573,749.30/38,613.37
6. Step 6: Final answer
   x = 20,474.09