Finding the Fourth Proportional to 262,139.22, 361,747.01 and 147,419.33

Step by Step Solution

1. Step 1: Write the proportion equation
   262,139.22 : 361,747.01 = 147,419.33 : x
2. Step 2: Convert to fraction form
   262,139.22/361,747.01 = 147,419.33/x
3. Step 3: Cross multiply
   262,139.22x = 361,747.01 × 147,419.33
4. Step 4: Simplify right side
   262,139.22x = 53,328,500,403.52
5. Step 5: Solve for x
   x = 53,328,500,403.52/262,139.22
6. Step 6: Final answer
   x = 203,435.79