Finding the Fourth Proportional to 108,439.50, 149,649.90 and 60,692.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,439.50 : 149,649.90 = 60,692.76 : x
2. Step 2: Convert to fraction form
   108,439.50/149,649.90 = 60,692.76/x
3. Step 3: Cross multiply
   108,439.50x = 149,649.90 × 60,692.76
4. Step 4: Simplify right side
   108,439.50x = 9,082,665,464.72
5. Step 5: Solve for x
   x = 9,082,665,464.72/108,439.50
6. Step 6: Final answer
   x = 83,757.91