Finding the Fourth Proportional to 82,479.77, 123,694.97 and 43,015.35

Step by Step Solution

1. Step 1: Write the proportion equation
   82,479.77 : 123,694.97 = 43,015.35 : x
2. Step 2: Convert to fraction form
   82,479.77/123,694.97 = 43,015.35/x
3. Step 3: Cross multiply
   82,479.77x = 123,694.97 × 43,015.35
4. Step 4: Simplify right side
   82,479.77x = 5,320,783,039.51
5. Step 5: Solve for x
   x = 5,320,783,039.51/82,479.77
6. Step 6: Final answer
   x = 64,510.16