Finding the Fourth Proportional to 36,072.71, 49,780.59 and 20,157.83

Step by Step Solution

1. Step 1: Write the proportion equation
   36,072.71 : 49,780.59 = 20,157.83 : x
2. Step 2: Convert to fraction form
   36,072.71/49,780.59 = 20,157.83/x
3. Step 3: Cross multiply
   36,072.71x = 49,780.59 × 20,157.83
4. Step 4: Simplify right side
   36,072.71x = 1,003,468,670.52
5. Step 5: Solve for x
   x = 1,003,468,670.52/36,072.71
6. Step 6: Final answer
   x = 27,817.95