Finding the Fourth Proportional to 31,322.78, 43,225.46 and 16,982.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,322.78 : 43,225.46 = 16,982.63 : x
2. Step 2: Convert to fraction form
   31,322.78/43,225.46 = 16,982.63/x
3. Step 3: Cross multiply
   31,322.78x = 43,225.46 × 16,982.63
4. Step 4: Simplify right side
   31,322.78x = 734,081,692.72
5. Step 5: Solve for x
   x = 734,081,692.72/31,322.78
6. Step 6: Final answer
   x = 23,436.03