Finding the Fourth Proportional to 218,203.86, 327,086.52 and 91,874.94

Step by Step Solution

1. Step 1: Write the proportion equation
   218,203.86 : 327,086.52 = 91,874.94 : x
2. Step 2: Convert to fraction form
   218,203.86/327,086.52 = 91,874.94/x
3. Step 3: Cross multiply
   218,203.86x = 327,086.52 × 91,874.94
4. Step 4: Simplify right side
   218,203.86x = 30,051,054,399.81
5. Step 5: Solve for x
   x = 30,051,054,399.81/218,203.86
6. Step 6: Final answer
   x = 137,720.09