Finding the Fourth Proportional to 31,529.99, 43,511.72 and 17,383.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,529.99 : 43,511.72 = 17,383.34 : x
2. Step 2: Convert to fraction form
   31,529.99/43,511.72 = 17,383.34/x
3. Step 3: Cross multiply
   31,529.99x = 43,511.72 × 17,383.34
4. Step 4: Simplify right side
   31,529.99x = 756,379,044.61
5. Step 5: Solve for x
   x = 756,379,044.61/31,529.99
6. Step 6: Final answer
   x = 23,989.19