Finding the Fourth Proportional to 82,535.95, 123,802.71 and 20,206.45

Step by Step Solution

1. Step 1: Write the proportion equation
   82,535.95 : 123,802.71 = 20,206.45 : x
2. Step 2: Convert to fraction form
   82,535.95/123,802.71 = 20,206.45/x
3. Step 3: Cross multiply
   82,535.95x = 123,802.71 × 20,206.45
4. Step 4: Simplify right side
   82,535.95x = 2,501,613,269.48
5. Step 5: Solve for x
   x = 2,501,613,269.48/82,535.95
6. Step 6: Final answer
   x = 30,309.38