Finding the Fourth Proportional to 429,018.47, 592,043.85 and 235,429.39

Step by Step Solution

1. Step 1: Write the proportion equation
   429,018.47 : 592,043.85 = 235,429.39 : x
2. Step 2: Convert to fraction form
   429,018.47/592,043.85 = 235,429.39/x
3. Step 3: Cross multiply
   429,018.47x = 592,043.85 × 235,429.39
4. Step 4: Simplify right side
   429,018.47x = 139,384,519,498.53
5. Step 5: Solve for x
   x = 139,384,519,498.53/429,018.47
6. Step 6: Final answer
   x = 324,891.65