Finding the Fourth Proportional to 23,861.77, 35,789.38 and 13,207.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,861.77 : 35,789.38 = 13,207.83 : x
2. Step 2: Convert to fraction form
   23,861.77/35,789.38 = 13,207.83/x
3. Step 3: Cross multiply
   23,861.77x = 35,789.38 × 13,207.83
4. Step 4: Simplify right side
   23,861.77x = 472,700,046.85
5. Step 5: Solve for x
   x = 472,700,046.85/23,861.77
6. Step 6: Final answer
   x = 19,809.94