Finding the Fourth Proportional to 31,605.49, 47,133.50 and 31,181.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,605.49 : 47,133.50 = 31,181.76 : x
2. Step 2: Convert to fraction form
   31,605.49/47,133.50 = 31,181.76/x
3. Step 3: Cross multiply
   31,605.49x = 47,133.50 × 31,181.76
4. Step 4: Simplify right side
   31,605.49x = 1,469,705,329.05
5. Step 5: Solve for x
   x = 1,469,705,329.05/31,605.49
6. Step 6: Final answer
   x = 46,501.58