Finding the Fourth Proportional to 31,153.22, 42,991.22 and 17,006.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.22 : 42,991.22 = 17,006.07 : x
2. Step 2: Convert to fraction form
   31,153.22/42,991.22 = 17,006.07/x
3. Step 3: Cross multiply
   31,153.22x = 42,991.22 × 17,006.07
4. Step 4: Simplify right side
   31,153.22x = 731,111,658.61
5. Step 5: Solve for x
   x = 731,111,658.61/31,153.22
6. Step 6: Final answer
   x = 23,468.25