Finding the Fourth Proportional to 36,180.56, 49,930.71 and 21,070.79

Step by Step Solution

1. Step 1: Write the proportion equation
   36,180.56 : 49,930.71 = 21,070.79 : x
2. Step 2: Convert to fraction form
   36,180.56/49,930.71 = 21,070.79/x
3. Step 3: Cross multiply
   36,180.56x = 49,930.71 × 21,070.79
4. Step 4: Simplify right side
   36,180.56x = 1,052,079,504.96
5. Step 5: Solve for x
   x = 1,052,079,504.96/36,180.56
6. Step 6: Final answer
   x = 29,078.59