Finding the Fourth Proportional to 12,253.83, 18,382.44 and 3,931.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,253.83 : 18,382.44 = 3,931.89 : x
2. Step 2: Convert to fraction form
   12,253.83/18,382.44 = 3,931.89/x
3. Step 3: Cross multiply
   12,253.83x = 18,382.44 × 3,931.89
4. Step 4: Simplify right side
   12,253.83x = 72,277,732.01
5. Step 5: Solve for x
   x = 72,277,732.01/12,253.83
6. Step 6: Final answer
   x = 5,898.38