Finding the Fourth Proportional to 82,784.78, 124,145.85 and 35,397.89

Step by Step Solution

1. Step 1: Write the proportion equation
   82,784.78 : 124,145.85 = 35,397.89 : x
2. Step 2: Convert to fraction form
   82,784.78/124,145.85 = 35,397.89/x
3. Step 3: Cross multiply
   82,784.78x = 124,145.85 × 35,397.89
4. Step 4: Simplify right side
   82,784.78x = 4,394,501,142.26
5. Step 5: Solve for x
   x = 4,394,501,142.26/82,784.78
6. Step 6: Final answer
   x = 53,083.44