Finding the Fourth Proportional to 31,816.72, 43,910.58 and 18,206.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,816.72 : 43,910.58 = 18,206.02 : x
2. Step 2: Convert to fraction form
   31,816.72/43,910.58 = 18,206.02/x
3. Step 3: Cross multiply
   31,816.72x = 43,910.58 × 18,206.02
4. Step 4: Simplify right side
   31,816.72x = 799,436,897.69
5. Step 5: Solve for x
   x = 799,436,897.69/31,816.72
6. Step 6: Final answer
   x = 25,126.31