Finding the Fourth Proportional to 109,463.75, 151,128.94 and 83,922.78

Step by Step Solution

1. Step 1: Write the proportion equation
   109,463.75 : 151,128.94 = 83,922.78 : x
2. Step 2: Convert to fraction form
   109,463.75/151,128.94 = 83,922.78/x
3. Step 3: Cross multiply
   109,463.75x = 151,128.94 × 83,922.78
4. Step 4: Simplify right side
   109,463.75x = 12,683,161,297.54
5. Step 5: Solve for x
   x = 12,683,161,297.54/109,463.75
6. Step 6: Final answer
   x = 115,866.31