Finding the Fourth Proportional to 222,196.88, 333,344.28 and 64,431.92

Step by Step Solution

1. Step 1: Write the proportion equation
   222,196.88 : 333,344.28 = 64,431.92 : x
2. Step 2: Convert to fraction form
   222,196.88/333,344.28 = 64,431.92/x
3. Step 3: Cross multiply
   222,196.88x = 333,344.28 × 64,431.92
4. Step 4: Simplify right side
   222,196.88x = 21,478,011,981.42
5. Step 5: Solve for x
   x = 21,478,011,981.42/222,196.88
6. Step 6: Final answer
   x = 96,662.08