Finding the Fourth Proportional to 31,269.95, 43,152.88 and 16,930.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,269.95 : 43,152.88 = 16,930.09 : x
2. Step 2: Convert to fraction form
   31,269.95/43,152.88 = 16,930.09/x
3. Step 3: Cross multiply
   31,269.95x = 43,152.88 × 16,930.09
4. Step 4: Simplify right side
   31,269.95x = 730,582,142.16
5. Step 5: Solve for x
   x = 730,582,142.16/31,269.95
6. Step 6: Final answer
   x = 23,363.71