Finding the Fourth Proportional to 463,073.59, 639,019.83 and 259,150.42

Step by Step Solution

1. Step 1: Write the proportion equation
   463,073.59 : 639,019.83 = 259,150.42 : x
2. Step 2: Convert to fraction form
   463,073.59/639,019.83 = 259,150.42/x
3. Step 3: Cross multiply
   463,073.59x = 639,019.83 × 259,150.42
4. Step 4: Simplify right side
   463,073.59x = 165,602,257,332.83
5. Step 5: Solve for x
   x = 165,602,257,332.83/463,073.59
6. Step 6: Final answer
   x = 357,615.42