Finding the Fourth Proportional to 31,153.64, 42,992.76 and 17,006.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.64 : 42,992.76 = 17,006.59 : x
2. Step 2: Convert to fraction form
   31,153.64/42,992.76 = 17,006.59/x
3. Step 3: Cross multiply
   31,153.64x = 42,992.76 × 17,006.59
4. Step 4: Simplify right side
   31,153.64x = 731,160,198.58
5. Step 5: Solve for x
   x = 731,160,198.58/31,153.64
6. Step 6: Final answer
   x = 23,469.49