Finding the Fourth Proportional to 73,692.50, 110,545.42 and 20,387.82

Step by Step Solution

1. Step 1: Write the proportion equation
   73,692.50 : 110,545.42 = 20,387.82 : x
2. Step 2: Convert to fraction form
   73,692.50/110,545.42 = 20,387.82/x
3. Step 3: Cross multiply
   73,692.50x = 110,545.42 × 20,387.82
4. Step 4: Simplify right side
   73,692.50x = 2,253,780,124.78
5. Step 5: Solve for x
   x = 2,253,780,124.78/73,692.50
6. Step 6: Final answer
   x = 30,583.58