Finding the Fourth Proportional to 82,757.90, 124,188.15 and 43,343.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,757.90 : 124,188.15 = 43,343.30 : x
2. Step 2: Convert to fraction form
   82,757.90/124,188.15 = 43,343.30/x
3. Step 3: Cross multiply
   82,757.90x = 124,188.15 × 43,343.30
4. Step 4: Simplify right side
   82,757.90x = 5,382,724,241.90
5. Step 5: Solve for x
   x = 5,382,724,241.90/82,757.90
6. Step 6: Final answer
   x = 65,041.82