Finding the Fourth Proportional to 429,338.52, 592,514.82 and 248,058.18

Step by Step Solution

1. Step 1: Write the proportion equation
   429,338.52 : 592,514.82 = 248,058.18 : x
2. Step 2: Convert to fraction form
   429,338.52/592,514.82 = 248,058.18/x
3. Step 3: Cross multiply
   429,338.52x = 592,514.82 × 248,058.18
4. Step 4: Simplify right side
   429,338.52x = 146,978,147,872.23
5. Step 5: Solve for x
   x = 146,978,147,872.23/429,338.52
6. Step 6: Final answer
   x = 342,336.27