Finding the Fourth Proportional to 82,412.94, 123,618.47 and 20,083.44

Step by Step Solution

1. Step 1: Write the proportion equation
   82,412.94 : 123,618.47 = 20,083.44 : x
2. Step 2: Convert to fraction form
   82,412.94/123,618.47 = 20,083.44/x
3. Step 3: Cross multiply
   82,412.94x = 123,618.47 × 20,083.44
4. Step 4: Simplify right side
   82,412.94x = 2,482,684,024.72
5. Step 5: Solve for x
   x = 2,482,684,024.72/82,412.94
6. Step 6: Final answer
   x = 30,124.93