Finding the Fourth Proportional to 210,674.42, 315,947.37 and 110,780.42

Step by Step Solution

1. Step 1: Write the proportion equation
   210,674.42 : 315,947.37 = 110,780.42 : x
2. Step 2: Convert to fraction form
   210,674.42/315,947.37 = 110,780.42/x
3. Step 3: Cross multiply
   210,674.42x = 315,947.37 × 110,780.42
4. Step 4: Simplify right side
   210,674.42x = 35,000,782,346.50
5. Step 5: Solve for x
   x = 35,000,782,346.50/210,674.42
6. Step 6: Final answer
   x = 166,136.84