Finding the Fourth Proportional to 47,243.92, 65,223.72 and 31,349.92

Step by Step Solution

1. Step 1: Write the proportion equation
   47,243.92 : 65,223.72 = 31,349.92 : x
2. Step 2: Convert to fraction form
   47,243.92/65,223.72 = 31,349.92/x
3. Step 3: Cross multiply
   47,243.92x = 65,223.72 × 31,349.92
4. Step 4: Simplify right side
   47,243.92x = 2,044,758,404.10
5. Step 5: Solve for x
   x = 2,044,758,404.10/47,243.92
6. Step 6: Final answer
   x = 43,280.88