Finding the Fourth Proportional to 82,692.82, 123,940.80 and 57,596.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,692.82 : 123,940.80 = 57,596.98 : x
2. Step 2: Convert to fraction form
   82,692.82/123,940.80 = 57,596.98/x
3. Step 3: Cross multiply
   82,692.82x = 123,940.80 × 57,596.98
4. Step 4: Simplify right side
   82,692.82x = 7,138,615,778.78
5. Step 5: Solve for x
   x = 7,138,615,778.78/82,692.82
6. Step 6: Final answer
   x = 86,326.91