Finding the Fourth Proportional to 35,906.48, 53,863.41 and 13,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,906.48 : 53,863.41 = 13,738.50 : x
2. Step 2: Convert to fraction form
   35,906.48/53,863.41 = 13,738.50/x
3. Step 3: Cross multiply
   35,906.48x = 53,863.41 × 13,738.50
4. Step 4: Simplify right side
   35,906.48x = 740,002,458.29
5. Step 5: Solve for x
   x = 740,002,458.29/35,906.48
6. Step 6: Final answer
   x = 20,609.16