Finding the Fourth Proportional to 223,086.78, 334,605.69 and 65,316.78

Step by Step Solution

1. Step 1: Write the proportion equation
   223,086.78 : 334,605.69 = 65,316.78 : x
2. Step 2: Convert to fraction form
   223,086.78/334,605.69 = 65,316.78/x
3. Step 3: Cross multiply
   223,086.78x = 334,605.69 × 65,316.78
4. Step 4: Simplify right side
   223,086.78x = 21,855,366,240.48
5. Step 5: Solve for x
   x = 21,855,366,240.48/223,086.78
6. Step 6: Final answer
   x = 97,968.00