Finding the Fourth Proportional to 383,826.72, 575,805.68 and 131,093.34

Step by Step Solution

1. Step 1: Write the proportion equation
   383,826.72 : 575,805.68 = 131,093.34 : x
2. Step 2: Convert to fraction form
   383,826.72/575,805.68 = 131,093.34/x
3. Step 3: Cross multiply
   383,826.72x = 575,805.68 × 131,093.34
4. Step 4: Simplify right side
   383,826.72x = 75,484,289,782.17
5. Step 5: Solve for x
   x = 75,484,289,782.17/383,826.72
6. Step 6: Final answer
   x = 196,662.42