Finding the Fourth Proportional to 140,445.12, 210,704.52 and 50,496.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,445.12 : 210,704.52 = 50,496.84 : x
2. Step 2: Convert to fraction form
   140,445.12/210,704.52 = 50,496.84/x
3. Step 3: Cross multiply
   140,445.12x = 210,704.52 × 50,496.84
4. Step 4: Simplify right side
   140,445.12x = 10,639,912,433.72
5. Step 5: Solve for x
   x = 10,639,912,433.72/140,445.12
6. Step 6: Final answer
   x = 75,758.51