Finding the Fourth Proportional to 23,464.86, 35,113.46 and 20,381.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,464.86 : 35,113.46 = 20,381.20 : x
2. Step 2: Convert to fraction form
   23,464.86/35,113.46 = 20,381.20/x
3. Step 3: Cross multiply
   23,464.86x = 35,113.46 × 20,381.20
4. Step 4: Simplify right side
   23,464.86x = 715,654,450.95
5. Step 5: Solve for x
   x = 715,654,450.95/23,464.86
6. Step 6: Final answer
   x = 30,498.99