Finding the Fourth Proportional to 131,162.56, 196,880.56 and 116,264.32

Step by Step Solution

1. Step 1: Write the proportion equation
   131,162.56 : 196,880.56 = 116,264.32 : x
2. Step 2: Convert to fraction form
   131,162.56/196,880.56 = 116,264.32/x
3. Step 3: Cross multiply
   131,162.56x = 196,880.56 × 116,264.32
4. Step 4: Simplify right side
   131,162.56x = 22,890,184,429.62
5. Step 5: Solve for x
   x = 22,890,184,429.62/131,162.56
6. Step 6: Final answer
   x = 174,517.67