Finding the Fourth Proportional to 82,676.16, 123,940.80 and 30,075.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,676.16 : 123,940.80 = 30,075.84 : x
2. Step 2: Convert to fraction form
   82,676.16/123,940.80 = 30,075.84/x
3. Step 3: Cross multiply
   82,676.16x = 123,940.80 × 30,075.84
4. Step 4: Simplify right side
   82,676.16x = 3,727,623,670.27
5. Step 5: Solve for x
   x = 3,727,623,670.27/82,676.16
6. Step 6: Final answer
   x = 45,087.04