Finding the Fourth Proportional to 31,154.22, 42,992.61 and 17,007.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,154.22 : 42,992.61 = 17,007.06 : x
2. Step 2: Convert to fraction form
   31,154.22/42,992.61 = 17,007.06/x
3. Step 3: Cross multiply
   31,154.22x = 42,992.61 × 17,007.06
4. Step 4: Simplify right side
   31,154.22x = 731,177,897.83
5. Step 5: Solve for x
   x = 731,177,897.83/31,154.22
6. Step 6: Final answer
   x = 23,469.63