Finding the Fourth Proportional to 429,443.37, 592,658.55 and 238,458.12

Step by Step Solution

1. Step 1: Write the proportion equation
   429,443.37 : 592,658.55 = 238,458.12 : x
2. Step 2: Convert to fraction form
   429,443.37/592,658.55 = 238,458.12/x
3. Step 3: Cross multiply
   429,443.37x = 592,658.55 × 238,458.12
4. Step 4: Simplify right side
   429,443.37x = 141,324,243,634.93
5. Step 5: Solve for x
   x = 141,324,243,634.93/429,443.37
6. Step 6: Final answer
   x = 329,087.03