Finding the Fourth Proportional to 89,692.69, 123,770.34 and 49,404.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,692.69 : 123,770.34 = 49,404.20 : x
2. Step 2: Convert to fraction form
   89,692.69/123,770.34 = 49,404.20/x
3. Step 3: Cross multiply
   89,692.69x = 123,770.34 × 49,404.20
4. Step 4: Simplify right side
   89,692.69x = 6,114,774,012.58
5. Step 5: Solve for x
   x = 6,114,774,012.58/89,692.69
6. Step 6: Final answer
   x = 68,174.72