Finding the Fourth Proportional to 31,820.22, 43,910.18 and 17,672.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,820.22 : 43,910.18 = 17,672.16 : x
2. Step 2: Convert to fraction form
   31,820.22/43,910.18 = 17,672.16/x
3. Step 3: Cross multiply
   31,820.22x = 43,910.18 × 17,672.16
4. Step 4: Simplify right side
   31,820.22x = 775,987,638.23
5. Step 5: Solve for x
   x = 775,987,638.23/31,820.22
6. Step 6: Final answer
   x = 24,386.62