Finding the Fourth Proportional to 342,434.15, 472,668.86 and 240,484.31

Step by Step Solution

1. Step 1: Write the proportion equation
   342,434.15 : 472,668.86 = 240,484.31 : x
2. Step 2: Convert to fraction form
   342,434.15/472,668.86 = 240,484.31/x
3. Step 3: Cross multiply
   342,434.15x = 472,668.86 × 240,484.31
4. Step 4: Simplify right side
   342,434.15x = 113,669,443,453.17
5. Step 5: Solve for x
   x = 113,669,443,453.17/342,434.15
6. Step 6: Final answer
   x = 331,945.41