Finding the Fourth Proportional to 222,421.01, 333,680.72 and 64,636.25

Step by Step Solution

1. Step 1: Write the proportion equation
   222,421.01 : 333,680.72 = 64,636.25 : x
2. Step 2: Convert to fraction form
   222,421.01/333,680.72 = 64,636.25/x
3. Step 3: Cross multiply
   222,421.01x = 333,680.72 × 64,636.25
4. Step 4: Simplify right side
   222,421.01x = 21,567,868,446.52
5. Step 5: Solve for x
   x = 21,567,868,446.52/222,421.01
6. Step 6: Final answer
   x = 96,968.67