Finding the Fourth Proportional to 31,209.96, 43,066.42 and 18,463.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,209.96 : 43,066.42 = 18,463.62 : x
2. Step 2: Convert to fraction form
   31,209.96/43,066.42 = 18,463.62/x
3. Step 3: Cross multiply
   31,209.96x = 43,066.42 × 18,463.62
4. Step 4: Simplify right side
   31,209.96x = 795,162,013.64
5. Step 5: Solve for x
   x = 795,162,013.64/31,209.96
6. Step 6: Final answer
   x = 25,477.83