Finding the Fourth Proportional to 31,153.42, 42,991.59 and 17,006.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.42 : 42,991.59 = 17,006.23 : x
2. Step 2: Convert to fraction form
   31,153.42/42,991.59 = 17,006.23/x
3. Step 3: Cross multiply
   31,153.42x = 42,991.59 × 17,006.23
4. Step 4: Simplify right side
   31,153.42x = 731,124,867.61
5. Step 5: Solve for x
   x = 731,124,867.61/31,153.42
6. Step 6: Final answer
   x = 23,468.53