Finding the Fourth Proportional to 23,612.03, 35,379.56 and 13,759.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,612.03 : 35,379.56 = 13,759.61 : x
2. Step 2: Convert to fraction form
   23,612.03/35,379.56 = 13,759.61/x
3. Step 3: Cross multiply
   23,612.03x = 35,379.56 × 13,759.61
4. Step 4: Simplify right side
   23,612.03x = 486,808,878.77
5. Step 5: Solve for x
   x = 486,808,878.77/23,612.03
6. Step 6: Final answer
   x = 20,616.99