Finding the Fourth Proportional to 218,196.25, 327,294.20 and 68,448.10

Step by Step Solution

1. Step 1: Write the proportion equation
   218,196.25 : 327,294.20 = 68,448.10 : x
2. Step 2: Convert to fraction form
   218,196.25/327,294.20 = 68,448.10/x
3. Step 3: Cross multiply
   218,196.25x = 327,294.20 × 68,448.10
4. Step 4: Simplify right side
   218,196.25x = 22,402,666,131.02
5. Step 5: Solve for x
   x = 22,402,666,131.02/218,196.25
6. Step 6: Final answer
   x = 102,672.10