Finding the Fourth Proportional to 229,314.72, 343,564.72 and 195,693.60

Step by Step Solution

1. Step 1: Write the proportion equation
   229,314.72 : 343,564.72 = 195,693.60 : x
2. Step 2: Convert to fraction form
   229,314.72/343,564.72 = 195,693.60/x
3. Step 3: Cross multiply
   229,314.72x = 343,564.72 × 195,693.60
4. Step 4: Simplify right side
   229,314.72x = 67,233,416,889.79
5. Step 5: Solve for x
   x = 67,233,416,889.79/229,314.72
6. Step 6: Final answer
   x = 293,192.77