Finding the Fourth Proportional to 78,692.72, 108,595.79 and 42,882.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,692.72 : 108,595.79 = 42,882.62 : x
2. Step 2: Convert to fraction form
   78,692.72/108,595.79 = 42,882.62/x
3. Step 3: Cross multiply
   78,692.72x = 108,595.79 × 42,882.62
4. Step 4: Simplify right side
   78,692.72x = 4,656,871,399.59
5. Step 5: Solve for x
   x = 4,656,871,399.59/78,692.72
6. Step 6: Final answer
   x = 59,177.92