Finding the Fourth Proportional to 231,046.35, 318,636.72 and 192,412.08

Step by Step Solution

1. Step 1: Write the proportion equation
   231,046.35 : 318,636.72 = 192,412.08 : x
2. Step 2: Convert to fraction form
   231,046.35/318,636.72 = 192,412.08/x
3. Step 3: Cross multiply
   231,046.35x = 318,636.72 × 192,412.08
4. Step 4: Simplify right side
   231,046.35x = 61,309,554,059.58
5. Step 5: Solve for x
   x = 61,309,554,059.58/231,046.35
6. Step 6: Final answer
   x = 265,356.08