Finding the Fourth Proportional to 31,284.98, 43,173.28 and 17,137.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,284.98 : 43,173.28 = 17,137.83 : x
2. Step 2: Convert to fraction form
   31,284.98/43,173.28 = 17,137.83/x
3. Step 3: Cross multiply
   31,284.98x = 43,173.28 × 17,137.83
4. Step 4: Simplify right side
   31,284.98x = 739,896,225.45
5. Step 5: Solve for x
   x = 739,896,225.45/31,284.98
6. Step 6: Final answer
   x = 23,650.20