Finding the Fourth Proportional to 82,605.29, 123,912.65 and 23,436.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,605.29 : 123,912.65 = 23,436.31 : x
2. Step 2: Convert to fraction form
   82,605.29/123,912.65 = 23,436.31/x
3. Step 3: Cross multiply
   82,605.29x = 123,912.65 × 23,436.31
4. Step 4: Simplify right side
   82,605.29x = 2,904,055,278.32
5. Step 5: Solve for x
   x = 2,904,055,278.32/82,605.29
6. Step 6: Final answer
   x = 35,155.80