Finding the Fourth Proportional to 109,141.49, 150,614.69 and 61,395.18

Step by Step Solution

1. Step 1: Write the proportion equation
   109,141.49 : 150,614.69 = 61,395.18 : x
2. Step 2: Convert to fraction form
   109,141.49/150,614.69 = 61,395.18/x
3. Step 3: Cross multiply
   109,141.49x = 150,614.69 × 61,395.18
4. Step 4: Simplify right side
   109,141.49x = 9,247,016,323.97
5. Step 5: Solve for x
   x = 9,247,016,323.97/109,141.49
6. Step 6: Final answer
   x = 84,725.03