Finding the Fourth Proportional to 140,406.02, 210,645.96 and 50,457.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,406.02 : 210,645.96 = 50,457.82 : x
2. Step 2: Convert to fraction form
   140,406.02/210,645.96 = 50,457.82/x
3. Step 3: Cross multiply
   140,406.02x = 210,645.96 × 50,457.82
4. Step 4: Simplify right side
   140,406.02x = 10,628,735,933.41
5. Step 5: Solve for x
   x = 10,628,735,933.41/140,406.02
6. Step 6: Final answer
   x = 75,700.00