Finding the Fourth Proportional to 140,196.96, 210,298.36 and 50,245.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,196.96 : 210,298.36 = 50,245.52 : x
2. Step 2: Convert to fraction form
   140,196.96/210,298.36 = 50,245.52/x
3. Step 3: Cross multiply
   140,196.96x = 210,298.36 × 50,245.52
4. Step 4: Simplify right side
   140,196.96x = 10,566,550,453.35
5. Step 5: Solve for x
   x = 10,566,550,453.35/140,196.96
6. Step 6: Final answer
   x = 75,369.33