Finding the Fourth Proportional to 82,513.02, 123,768.45 and 20,184.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82,513.02 : 123,768.45 = 20,184.06 : x
2. Step 2: Convert to fraction form
   82,513.02/123,768.45 = 20,184.06/x
3. Step 3: Cross multiply
   82,513.02x = 123,768.45 × 20,184.06
4. Step 4: Simplify right side
   82,513.02x = 2,498,149,820.91
5. Step 5: Solve for x
   x = 2,498,149,820.91/82,513.02
6. Step 6: Final answer
   x = 30,275.83