Finding the Fourth Proportional to 233,054.48, 321,639.86 and 142,463.48

Step by Step Solution

1. Step 1: Write the proportion equation
   233,054.48 : 321,639.86 = 142,463.48 : x
2. Step 2: Convert to fraction form
   233,054.48/321,639.86 = 142,463.48/x
3. Step 3: Cross multiply
   233,054.48x = 321,639.86 × 142,463.48
4. Step 4: Simplify right side
   233,054.48x = 45,821,932,510.27
5. Step 5: Solve for x
   x = 45,821,932,510.27/233,054.48
6. Step 6: Final answer
   x = 196,614.68