Finding the Fourth Proportional to 23,788.48, 35,671.56 and 13,930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,788.48 : 35,671.56 = 13,930.72 : x
2. Step 2: Convert to fraction form
   23,788.48/35,671.56 = 13,930.72/x
3. Step 3: Cross multiply
   23,788.48x = 35,671.56 × 13,930.72
4. Step 4: Simplify right side
   23,788.48x = 496,930,514.32
5. Step 5: Solve for x
   x = 496,930,514.32/23,788.48
6. Step 6: Final answer
   x = 20,889.54