Finding the Fourth Proportional to 426,073.41, 587,980.83 and 235,086.78

Step by Step Solution

1. Step 1: Write the proportion equation
   426,073.41 : 587,980.83 = 235,086.78 : x
2. Step 2: Convert to fraction form
   426,073.41/587,980.83 = 235,086.78/x
3. Step 3: Cross multiply
   426,073.41x = 587,980.83 × 235,086.78
4. Step 4: Simplify right side
   426,073.41x = 138,226,520,026.43
5. Step 5: Solve for x
   x = 138,226,520,026.43/426,073.41
6. Step 6: Final answer
   x = 324,419.49