Finding the Fourth Proportional to 200,618.92, 300,856.69 and 93,984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   200,618.92 : 300,856.69 = 93,984.72 : x
2. Step 2: Convert to fraction form
   200,618.92/300,856.69 = 93,984.72/x
3. Step 3: Cross multiply
   200,618.92x = 300,856.69 × 93,984.72
4. Step 4: Simplify right side
   200,618.92x = 28,275,931,769.78
5. Step 5: Solve for x
   x = 28,275,931,769.78/200,618.92
6. Step 6: Final answer
   x = 140,943.50