Finding the Fourth Proportional to 50,800.56, 70,139.01 and 31,709.41

Step by Step Solution

1. Step 1: Write the proportion equation
   50,800.56 : 70,139.01 = 31,709.41 : x
2. Step 2: Convert to fraction form
   50,800.56/70,139.01 = 31,709.41/x
3. Step 3: Cross multiply
   50,800.56x = 70,139.01 × 31,709.41
4. Step 4: Simplify right side
   50,800.56x = 2,224,066,568.65
5. Step 5: Solve for x
   x = 2,224,066,568.65/50,800.56
6. Step 6: Final answer
   x = 43,780.36