Finding the Fourth Proportional to 248,329.50, 342,684.37 and 146,359.31

Step by Step Solution

1. Step 1: Write the proportion equation
   248,329.50 : 342,684.37 = 146,359.31 : x
2. Step 2: Convert to fraction form
   248,329.50/342,684.37 = 146,359.31/x
3. Step 3: Cross multiply
   248,329.50x = 342,684.37 × 146,359.31
4. Step 4: Simplify right side
   248,329.50x = 50,155,046,410.51
5. Step 5: Solve for x
   x = 50,155,046,410.51/248,329.50
6. Step 6: Final answer
   x = 201,969.75