Finding the Fourth Proportional to 82,740.35, 124,111.90 and 40,020.95

Step by Step Solution

1. Step 1: Write the proportion equation
   82,740.35 : 124,111.90 = 40,020.95 : x
2. Step 2: Convert to fraction form
   82,740.35/124,111.90 = 40,020.95/x
3. Step 3: Cross multiply
   82,740.35x = 124,111.90 × 40,020.95
4. Step 4: Simplify right side
   82,740.35x = 4,967,076,279.49
5. Step 5: Solve for x
   x = 4,967,076,279.49/82,740.35
6. Step 6: Final answer
   x = 60,032.09