Finding the Fourth Proportional to 218,196.79, 327,291.88 and 98,168.98

Step by Step Solution

1. Step 1: Write the proportion equation
   218,196.79 : 327,291.88 = 98,168.98 : x
2. Step 2: Convert to fraction form
   218,196.79/327,291.88 = 98,168.98/x
3. Step 3: Cross multiply
   218,196.79x = 327,291.88 × 98,168.98
4. Step 4: Simplify right side
   218,196.79x = 32,129,910,021.88
5. Step 5: Solve for x
   x = 32,129,910,021.88/218,196.79
6. Step 6: Final answer
   x = 147,251.98