Finding the Fourth Proportional to 83,171.81, 124,742.23 and 27,012.49

Step by Step Solution

1. Step 1: Write the proportion equation
   83,171.81 : 124,742.23 = 27,012.49 : x
2. Step 2: Convert to fraction form
   83,171.81/124,742.23 = 27,012.49/x
3. Step 3: Cross multiply
   83,171.81x = 124,742.23 × 27,012.49
4. Step 4: Simplify right side
   83,171.81x = 3,369,597,861.07
5. Step 5: Solve for x
   x = 3,369,597,861.07/83,171.81
6. Step 6: Final answer
   x = 40,513.70