Finding the Fourth Proportional to 145,442.25, 218,109.38 and 50,648.10

Step by Step Solution

1. Step 1: Write the proportion equation
   145,442.25 : 218,109.38 = 50,648.10 : x
2. Step 2: Convert to fraction form
   145,442.25/218,109.38 = 50,648.10/x
3. Step 3: Cross multiply
   145,442.25x = 218,109.38 × 50,648.10
4. Step 4: Simplify right side
   145,442.25x = 11,046,825,435.94
5. Step 5: Solve for x
   x = 11,046,825,435.94/145,442.25
6. Step 6: Final answer
   x = 75,953.35