Finding the Fourth Proportional to 31,632.96, 43,656.69 and 18,204.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,632.96 : 43,656.69 = 18,204.78 : x
2. Step 2: Convert to fraction form
   31,632.96/43,656.69 = 18,204.78/x
3. Step 3: Cross multiply
   31,632.96x = 43,656.69 × 18,204.78
4. Step 4: Simplify right side
   31,632.96x = 794,760,436.98
5. Step 5: Solve for x
   x = 794,760,436.98/31,632.96
6. Step 6: Final answer
   x = 25,124.44