Finding the Fourth Proportional to 140,410, 210,651.88 and 50,461.79

Step by Step Solution

1. Step 1: Write the proportion equation
   140,410 : 210,651.88 = 50,461.79 : x
2. Step 2: Convert to fraction form
   140,410/210,651.88 = 50,461.79/x
3. Step 3: Cross multiply
   140,410x = 210,651.88 × 50,461.79
4. Step 4: Simplify right side
   140,410x = 10,629,870,931.67
5. Step 5: Solve for x
   x = 10,629,870,931.67/140,410
6. Step 6: Final answer
   x = 75,705.94