Finding the Fourth Proportional to 31,776.59, 43,850.20 and 17,436.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,776.59 : 43,850.20 = 17,436.09 : x
2. Step 2: Convert to fraction form
   31,776.59/43,850.20 = 17,436.09/x
3. Step 3: Cross multiply
   31,776.59x = 43,850.20 × 17,436.09
4. Step 4: Simplify right side
   31,776.59x = 764,575,946.54
5. Step 5: Solve for x
   x = 764,575,946.54/31,776.59
6. Step 6: Final answer
   x = 24,060.99