Finding the Fourth Proportional to 259,858, 358,604.22 and 140,626

Step by Step Solution

1. Step 1: Write the proportion equation
   259,858 : 358,604.22 = 140,626 : x
2. Step 2: Convert to fraction form
   259,858/358,604.22 = 140,626/x
3. Step 3: Cross multiply
   259,858x = 358,604.22 × 140,626
4. Step 4: Simplify right side
   259,858x = 50,429,077,041.72
5. Step 5: Solve for x
   x = 50,429,077,041.72/259,858
6. Step 6: Final answer
   x = 194,063.98