Finding the Fourth Proportional to 31,083.21, 42,893.37 and 17,652.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,083.21 : 42,893.37 = 17,652.72 : x
2. Step 2: Convert to fraction form
   31,083.21/42,893.37 = 17,652.72/x
3. Step 3: Cross multiply
   31,083.21x = 42,893.37 × 17,652.72
4. Step 4: Simplify right side
   31,083.21x = 757,184,650.47
5. Step 5: Solve for x
   x = 757,184,650.47/31,083.21
6. Step 6: Final answer
   x = 24,359.92