Finding the Fourth Proportional to 31,757.91, 43,822.76 and 18,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,757.91 : 43,822.76 = 18,333.50 : x
2. Step 2: Convert to fraction form
   31,757.91/43,822.76 = 18,333.50/x
3. Step 3: Cross multiply
   31,757.91x = 43,822.76 × 18,333.50
4. Step 4: Simplify right side
   31,757.91x = 803,424,259.68
5. Step 5: Solve for x
   x = 803,424,259.68/31,757.91
6. Step 6: Final answer
   x = 25,298.40