Finding the Fourth Proportional to 84,123.09, 126,142.46 and 27,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,123.09 : 126,142.46 = 27,943.50 : x
2. Step 2: Convert to fraction form
   84,123.09/126,142.46 = 27,943.50/x
3. Step 3: Cross multiply
   84,123.09x = 126,142.46 × 27,943.50
4. Step 4: Simplify right side
   84,123.09x = 3,524,861,427.83
5. Step 5: Solve for x
   x = 3,524,861,427.83/84,123.09
6. Step 6: Final answer
   x = 41,901.24