Finding the Fourth Proportional to 82,877.42, 124,261.67 and 40,171.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,877.42 : 124,261.67 = 40,171.55 : x
2. Step 2: Convert to fraction form
   82,877.42/124,261.67 = 40,171.55/x
3. Step 3: Cross multiply
   82,877.42x = 124,261.67 × 40,171.55
4. Step 4: Simplify right side
   82,877.42x = 4,991,783,368.61
5. Step 5: Solve for x
   x = 4,991,783,368.61/82,877.42
6. Step 6: Final answer
   x = 60,230.92