Finding the Fourth Proportional to 78,692.05, 108,593.61 and 42,882.35

Step by Step Solution

1. Step 1: Write the proportion equation
   78,692.05 : 108,593.61 = 42,882.35 : x
2. Step 2: Convert to fraction form
   78,692.05/108,593.61 = 42,882.35/x
3. Step 3: Cross multiply
   78,692.05x = 108,593.61 × 42,882.35
4. Step 4: Simplify right side
   78,692.05x = 4,656,749,191.78
5. Step 5: Solve for x
   x = 4,656,749,191.78/78,692.05
6. Step 6: Final answer
   x = 59,176.87