Finding the Fourth Proportional to 131,183.57, 196,870.94 and 52,320.35

Step by Step Solution

1. Step 1: Write the proportion equation
   131,183.57 : 196,870.94 = 52,320.35 : x
2. Step 2: Convert to fraction form
   131,183.57/196,870.94 = 52,320.35/x
3. Step 3: Cross multiply
   131,183.57x = 196,870.94 × 52,320.35
4. Step 4: Simplify right side
   131,183.57x = 10,300,356,485.63
5. Step 5: Solve for x
   x = 10,300,356,485.63/131,183.57
6. Step 6: Final answer
   x = 78,518.65