Finding the Fourth Proportional to 343,073.34, 472,462.47 and 308,789.82

Step by Step Solution

1. Step 1: Write the proportion equation
   343,073.34 : 472,462.47 = 308,789.82 : x
2. Step 2: Convert to fraction form
   343,073.34/472,462.47 = 308,789.82/x
3. Step 3: Cross multiply
   343,073.34x = 472,462.47 × 308,789.82
4. Step 4: Simplify right side
   343,073.34x = 145,891,601,068.06
5. Step 5: Solve for x
   x = 145,891,601,068.06/343,073.34
6. Step 6: Final answer
   x = 425,249.02