Finding the Fourth Proportional to 218,561.49, 327,842.78 and 60,789.96

Step by Step Solution

1. Step 1: Write the proportion equation
   218,561.49 : 327,842.78 = 60,789.96 : x
2. Step 2: Convert to fraction form
   218,561.49/327,842.78 = 60,789.96/x
3. Step 3: Cross multiply
   218,561.49x = 327,842.78 × 60,789.96
4. Step 4: Simplify right side
   218,561.49x = 19,929,549,178.54
5. Step 5: Solve for x
   x = 19,929,549,178.54/218,561.49
6. Step 6: Final answer
   x = 91,185.09