Finding the Fourth Proportional to 82,383.80, 123,546.90 and 42,927.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,383.80 : 123,546.90 = 42,927.80 : x
2. Step 2: Convert to fraction form
   82,383.80/123,546.90 = 42,927.80/x
3. Step 3: Cross multiply
   82,383.80x = 123,546.90 × 42,927.80
4. Step 4: Simplify right side
   82,383.80x = 5,303,596,613.82
5. Step 5: Solve for x
   x = 5,303,596,613.82/82,383.80
6. Step 6: Final answer
   x = 64,376.69