Finding the Fourth Proportional to 383,901.83, 575,852.69 and 131,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   383,901.83 : 575,852.69 = 131,184.50 : x
2. Step 2: Convert to fraction form
   383,901.83/575,852.69 = 131,184.50/x
3. Step 3: Cross multiply
   383,901.83x = 575,852.69 × 131,184.50
4. Step 4: Simplify right side
   383,901.83x = 75,542,944,332.04
5. Step 5: Solve for x
   x = 75,542,944,332.04/383,901.83
6. Step 6: Final answer
   x = 196,776.73