Finding the Fourth Proportional to 82,397.36, 123,564.06 and 28,351.77

Step by Step Solution

1. Step 1: Write the proportion equation
   82,397.36 : 123,564.06 = 28,351.77 : x
2. Step 2: Convert to fraction form
   82,397.36/123,564.06 = 28,351.77/x
3. Step 3: Cross multiply
   82,397.36x = 123,564.06 × 28,351.77
4. Step 4: Simplify right side
   82,397.36x = 3,503,259,809.39
5. Step 5: Solve for x
   x = 3,503,259,809.39/82,397.36
6. Step 6: Final answer
   x = 42,516.65