Finding the Fourth Proportional to 109,142.27, 150,614.79 and 61,395.68

Step by Step Solution

1. Step 1: Write the proportion equation
   109,142.27 : 150,614.79 = 61,395.68 : x
2. Step 2: Convert to fraction form
   109,142.27/150,614.79 = 61,395.68/x
3. Step 3: Cross multiply
   109,142.27x = 150,614.79 × 61,395.68
4. Step 4: Simplify right side
   109,142.27x = 9,247,096,697.03
5. Step 5: Solve for x
   x = 9,247,096,697.03/109,142.27
6. Step 6: Final answer
   x = 84,725.17