Finding the Fourth Proportional to 82,579.16, 123,868.71 and 23,415.33

Step by Step Solution

1. Step 1: Write the proportion equation
   82,579.16 : 123,868.71 = 23,415.33 : x
2. Step 2: Convert to fraction form
   82,579.16/123,868.71 = 23,415.33/x
3. Step 3: Cross multiply
   82,579.16x = 123,868.71 × 23,415.33
4. Step 4: Simplify right side
   82,579.16x = 2,900,426,721.32
5. Step 5: Solve for x
   x = 2,900,426,721.32/82,579.16
6. Step 6: Final answer
   x = 35,122.99