Finding the Fourth Proportional to 31,162.95, 43,005.32 and 17,015.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,162.95 : 43,005.32 = 17,015.49 : x
2. Step 2: Convert to fraction form
   31,162.95/43,005.32 = 17,015.49/x
3. Step 3: Cross multiply
   31,162.95x = 43,005.32 × 17,015.49
4. Step 4: Simplify right side
   31,162.95x = 731,756,592.41
5. Step 5: Solve for x
   x = 731,756,592.41/31,162.95
6. Step 6: Final answer
   x = 23,481.62