Finding the Fourth Proportional to 140,408.00, 210,648.88 and 50,459.79

Step by Step Solution

1. Step 1: Write the proportion equation
   140,408.00 : 210,648.88 = 50,459.79 : x
2. Step 2: Convert to fraction form
   140,408.00/210,648.88 = 50,459.79/x
3. Step 3: Cross multiply
   140,408.00x = 210,648.88 × 50,459.79
4. Step 4: Simplify right side
   140,408.00x = 10,629,298,248.54
5. Step 5: Solve for x
   x = 10,629,298,248.54/140,408.00
6. Step 6: Final answer
   x = 75,702.94