Finding the Fourth Proportional to 31,530.02, 43,511.72 and 17,383.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,530.02 : 43,511.72 = 17,383.37 : x
2. Step 2: Convert to fraction form
   31,530.02/43,511.72 = 17,383.37/x
3. Step 3: Cross multiply
   31,530.02x = 43,511.72 × 17,383.37
4. Step 4: Simplify right side
   31,530.02x = 756,380,023.62
5. Step 5: Solve for x
   x = 756,380,023.62/31,530.02
6. Step 6: Final answer
   x = 23,989.21