Finding the Fourth Proportional to 31,262.53, 43,142.42 and 17,116.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,262.53 : 43,142.42 = 17,116.69 : x
2. Step 2: Convert to fraction form
   31,262.53/43,142.42 = 17,116.69/x
3. Step 3: Cross multiply
   31,262.53x = 43,142.42 × 17,116.69
4. Step 4: Simplify right side
   31,262.53x = 738,455,558.24
5. Step 5: Solve for x
   x = 738,455,558.24/31,262.53
6. Step 6: Final answer
   x = 23,621.10