Finding the Fourth Proportional to 233,140.72, 321,850.38 and 152,691.52

Step by Step Solution

1. Step 1: Write the proportion equation
   233,140.72 : 321,850.38 = 152,691.52 : x
2. Step 2: Convert to fraction form
   233,140.72/321,850.38 = 152,691.52/x
3. Step 3: Cross multiply
   233,140.72x = 321,850.38 × 152,691.52
4. Step 4: Simplify right side
   233,140.72x = 49,143,823,734.78
5. Step 5: Solve for x
   x = 49,143,823,734.78/233,140.72
6. Step 6: Final answer
   x = 210,790.39