Finding the Fourth Proportional to 82,005.42, 122,912.55 and 37,636.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,005.42 : 122,912.55 = 37,636.86 : x
2. Step 2: Convert to fraction form
   82,005.42/122,912.55 = 37,636.86/x
3. Step 3: Cross multiply
   82,005.42x = 122,912.55 × 37,636.86
4. Step 4: Simplify right side
   82,005.42x = 4,626,042,436.59
5. Step 5: Solve for x
   x = 4,626,042,436.59/82,005.42
6. Step 6: Final answer
   x = 56,411.42