Finding the Fourth Proportional to 31,436.06, 43,382.68 and 17,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,436.06 : 43,382.68 = 17,289.82 : x
2. Step 2: Convert to fraction form
   31,436.06/43,382.68 = 17,289.82/x
3. Step 3: Cross multiply
   31,436.06x = 43,382.68 × 17,289.82
4. Step 4: Simplify right side
   31,436.06x = 750,078,728.32
5. Step 5: Solve for x
   x = 750,078,728.32/31,436.06
6. Step 6: Final answer
   x = 23,860.46