Finding the Fourth Proportional to 145,850.52, 201,273.72 and 78,782.52

Step by Step Solution

1. Step 1: Write the proportion equation
   145,850.52 : 201,273.72 = 78,782.52 : x
2. Step 2: Convert to fraction form
   145,850.52/201,273.72 = 78,782.52/x
3. Step 3: Cross multiply
   145,850.52x = 201,273.72 × 78,782.52
4. Step 4: Simplify right side
   145,850.52x = 15,856,850,871.37
5. Step 5: Solve for x
   x = 15,856,850,871.37/145,850.52
6. Step 6: Final answer
   x = 108,719.88