Finding the Fourth Proportional to 36,216.18, 49,973.76 and 21,113.73

Step by Step Solution

1. Step 1: Write the proportion equation
   36,216.18 : 49,973.76 = 21,113.73 : x
2. Step 2: Convert to fraction form
   36,216.18/49,973.76 = 21,113.73/x
3. Step 3: Cross multiply
   36,216.18x = 49,973.76 × 21,113.73
4. Step 4: Simplify right side
   36,216.18x = 1,055,132,475.72
5. Step 5: Solve for x
   x = 1,055,132,475.72/36,216.18
6. Step 6: Final answer
   x = 29,134.28