Finding the Fourth Proportional to 293,308.42, 404,556.50 and 269,187.10

Step by Step Solution

1. Step 1: Write the proportion equation
   293,308.42 : 404,556.50 = 269,187.10 : x
2. Step 2: Convert to fraction form
   293,308.42/404,556.50 = 269,187.10/x
3. Step 3: Cross multiply
   293,308.42x = 404,556.50 × 269,187.10
4. Step 4: Simplify right side
   293,308.42x = 108,901,391,021.15
5. Step 5: Solve for x
   x = 108,901,391,021.15/293,308.42
6. Step 6: Final answer
   x = 371,286.28