Finding the Fourth Proportional to 191,200.14, 263,856.83 and 106,317

Step by Step Solution

1. Step 1: Write the proportion equation
   191,200.14 : 263,856.83 = 106,317 : x
2. Step 2: Convert to fraction form
   191,200.14/263,856.83 = 106,317/x
3. Step 3: Cross multiply
   191,200.14x = 263,856.83 × 106,317
4. Step 4: Simplify right side
   191,200.14x = 28,052,466,063.53
5. Step 5: Solve for x
   x = 28,052,466,063.53/191,200.14
6. Step 6: Final answer
   x = 146,717.81