Finding the Fourth Proportional to 38,566.50, 57,854.34 and 13,601.37

Step by Step Solution

1. Step 1: Write the proportion equation
   38,566.50 : 57,854.34 = 13,601.37 : x
2. Step 2: Convert to fraction form
   38,566.50/57,854.34 = 13,601.37/x
3. Step 3: Cross multiply
   38,566.50x = 57,854.34 × 13,601.37
4. Step 4: Simplify right side
   38,566.50x = 786,898,284.45
5. Step 5: Solve for x
   x = 786,898,284.45/38,566.50
6. Step 6: Final answer
   x = 20,403.67