Finding the Fourth Proportional to 108,871.53, 150,238.83 and 61,126.89

Step by Step Solution

1. Step 1: Write the proportion equation
   108,871.53 : 150,238.83 = 61,126.89 : x
2. Step 2: Convert to fraction form
   108,871.53/150,238.83 = 61,126.89/x
3. Step 3: Cross multiply
   108,871.53x = 150,238.83 × 61,126.89
4. Step 4: Simplify right side
   108,871.53x = 9,183,632,100.97
5. Step 5: Solve for x
   x = 9,183,632,100.97/108,871.53
6. Step 6: Final answer
   x = 84,352.93