Finding the Fourth Proportional to 37,923.48, 56,878.74 and 10,215

Step by Step Solution

1. Step 1: Write the proportion equation
   37,923.48 : 56,878.74 = 10,215 : x
2. Step 2: Convert to fraction form
   37,923.48/56,878.74 = 10,215/x
3. Step 3: Cross multiply
   37,923.48x = 56,878.74 × 10,215
4. Step 4: Simplify right side
   37,923.48x = 581,016,329.10
5. Step 5: Solve for x
   x = 581,016,329.10/37,923.48
6. Step 6: Final answer
   x = 15,320.75