Finding the Fourth Proportional to 145,443.75, 218,111.63 and 50,649.60

Step by Step Solution

1. Step 1: Write the proportion equation
   145,443.75 : 218,111.63 = 50,649.60 : x
2. Step 2: Convert to fraction form
   145,443.75/218,111.63 = 50,649.60/x
3. Step 3: Cross multiply
   145,443.75x = 218,111.63 × 50,649.60
4. Step 4: Simplify right side
   145,443.75x = 11,047,266,561.60
5. Step 5: Solve for x
   x = 11,047,266,561.60/145,443.75
6. Step 6: Final answer
   x = 75,955.59