Finding the Fourth Proportional to 218,242.05, 327,443.03 and 91,914.09

Step by Step Solution

1. Step 1: Write the proportion equation
   218,242.05 : 327,443.03 = 91,914.09 : x
2. Step 2: Convert to fraction form
   218,242.05/327,443.03 = 91,914.09/x
3. Step 3: Cross multiply
   218,242.05x = 327,443.03 × 91,914.09
4. Step 4: Simplify right side
   218,242.05x = 30,096,627,669.72
5. Step 5: Solve for x
   x = 30,096,627,669.72/218,242.05
6. Step 6: Final answer
   x = 137,904.81