Finding the Fourth Proportional to 31,153.92, 42,992.28 and 17,006.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.92 : 42,992.28 = 17,006.82 : x
2. Step 2: Convert to fraction form
   31,153.92/42,992.28 = 17,006.82/x
3. Step 3: Cross multiply
   31,153.92x = 42,992.28 × 17,006.82
4. Step 4: Simplify right side
   31,153.92x = 731,161,967.35
5. Step 5: Solve for x
   x = 731,161,967.35/31,153.92
6. Step 6: Final answer
   x = 23,469.34