Finding the Fourth Proportional to 245,535.91, 338,843.06 and 144,933.91

Step by Step Solution

1. Step 1: Write the proportion equation
   245,535.91 : 338,843.06 = 144,933.91 : x
2. Step 2: Convert to fraction form
   245,535.91/338,843.06 = 144,933.91/x
3. Step 3: Cross multiply
   245,535.91x = 338,843.06 × 144,933.91
4. Step 4: Simplify right side
   245,535.91x = 49,109,848,837.50
5. Step 5: Solve for x
   x = 49,109,848,837.50/245,535.91
6. Step 6: Final answer
   x = 200,010.86