Finding the Fourth Proportional to 37,923.98, 56,879.49 and 10,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,923.98 : 56,879.49 = 10,215.50 : x
2. Step 2: Convert to fraction form
   37,923.98/56,879.49 = 10,215.50/x
3. Step 3: Cross multiply
   37,923.98x = 56,879.49 × 10,215.50
4. Step 4: Simplify right side
   37,923.98x = 581,052,430.10
5. Step 5: Solve for x
   x = 581,052,430.10/37,923.98
6. Step 6: Final answer
   x = 15,321.50