Finding the Fourth Proportional to 37,939.48, 56,902.72 and 10,231

Step by Step Solution

1. Step 1: Write the proportion equation
   37,939.48 : 56,902.72 = 10,231 : x
2. Step 2: Convert to fraction form
   37,939.48/56,902.72 = 10,231/x
3. Step 3: Cross multiply
   37,939.48x = 56,902.72 × 10,231
4. Step 4: Simplify right side
   37,939.48x = 582,171,728.32
5. Step 5: Solve for x
   x = 582,171,728.32/37,939.48
6. Step 6: Final answer
   x = 15,344.75