Finding the Fourth Proportional to 31,153.84, 42,992.17 and 17,006.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.84 : 42,992.17 = 17,006.70 : x
2. Step 2: Convert to fraction form
   31,153.84/42,992.17 = 17,006.70/x
3. Step 3: Cross multiply
   31,153.84x = 42,992.17 × 17,006.70
4. Step 4: Simplify right side
   31,153.84x = 731,154,937.54
5. Step 5: Solve for x
   x = 731,154,937.54/31,153.84
6. Step 6: Final answer
   x = 23,469.18