Finding the Fourth Proportional to 31,091.06, 42,904.30 and 17,662.26

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091.06 : 42,904.30 = 17,662.26 : x
2. Step 2: Convert to fraction form
   31,091.06/42,904.30 = 17,662.26/x
3. Step 3: Cross multiply
   31,091.06x = 42,904.30 × 17,662.26
4. Step 4: Simplify right side
   31,091.06x = 757,786,901.72
5. Step 5: Solve for x
   x = 757,786,901.72/31,091.06
6. Step 6: Final answer
   x = 24,373.14