Finding the Fourth Proportional to 31,767.16, 43,838.96 and 17,620.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,767.16 : 43,838.96 = 17,620.24 : x
2. Step 2: Convert to fraction form
   31,767.16/43,838.96 = 17,620.24/x
3. Step 3: Cross multiply
   31,767.16x = 43,838.96 × 17,620.24
4. Step 4: Simplify right side
   31,767.16x = 772,452,996.55
5. Step 5: Solve for x
   x = 772,452,996.55/31,767.16
6. Step 6: Final answer
   x = 24,316.09