Finding the Fourth Proportional to 36,216.16, 49,978.14 and 20,300.61

Step by Step Solution

1. Step 1: Write the proportion equation
   36,216.16 : 49,978.14 = 20,300.61 : x
2. Step 2: Convert to fraction form
   36,216.16/49,978.14 = 20,300.61/x
3. Step 3: Cross multiply
   36,216.16x = 49,978.14 × 20,300.61
4. Step 4: Simplify right side
   36,216.16x = 1,014,586,510.50
5. Step 5: Solve for x
   x = 1,014,586,510.50/36,216.16
6. Step 6: Final answer
   x = 28,014.75