Finding the Fourth Proportional to 213,222.72, 319,897.98 and 63,468.24

Step by Step Solution

1. Step 1: Write the proportion equation
   213,222.72 : 319,897.98 = 63,468.24 : x
2. Step 2: Convert to fraction form
   213,222.72/319,897.98 = 63,468.24/x
3. Step 3: Cross multiply
   213,222.72x = 319,897.98 × 63,468.24
4. Step 4: Simplify right side
   213,222.72x = 20,303,361,770.16
5. Step 5: Solve for x
   x = 20,303,361,770.16/213,222.72
6. Step 6: Final answer
   x = 95,221.38