Finding the Fourth Proportional to 295,291.48, 443,007.78 and 95,612.09

Step by Step Solution

1. Step 1: Write the proportion equation
   295,291.48 : 443,007.78 = 95,612.09 : x
2. Step 2: Convert to fraction form
   295,291.48/443,007.78 = 95,612.09/x
3. Step 3: Cross multiply
   295,291.48x = 443,007.78 × 95,612.09
4. Step 4: Simplify right side
   295,291.48x = 42,356,899,732.06
5. Step 5: Solve for x
   x = 42,356,899,732.06/295,291.48
6. Step 6: Final answer
   x = 143,440.98