Finding the Fourth Proportional to 31,263.96, 43,144.25 and 17,116.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,263.96 : 43,144.25 = 17,116.80 : x
2. Step 2: Convert to fraction form
   31,263.96/43,144.25 = 17,116.80/x
3. Step 3: Cross multiply
   31,263.96x = 43,144.25 × 17,116.80
4. Step 4: Simplify right side
   31,263.96x = 738,491,412.82
5. Step 5: Solve for x
   x = 738,491,412.82/31,263.96
6. Step 6: Final answer
   x = 23,621.17