Finding the Fourth Proportional to 81,943.27, 113,061.58 and 50,100.55

Step by Step Solution

1. Step 1: Write the proportion equation
   81,943.27 : 113,061.58 = 50,100.55 : x
2. Step 2: Convert to fraction form
   81,943.27/113,061.58 = 50,100.55/x
3. Step 3: Cross multiply
   81,943.27x = 113,061.58 × 50,100.55
4. Step 4: Simplify right side
   81,943.27x = 5,664,446,933.96
5. Step 5: Solve for x
   x = 5,664,446,933.96/81,943.27
6. Step 6: Final answer
   x = 69,126.45