Finding the Fourth Proportional to 140,400.01, 210,636.96 and 50,451.81

Step by Step Solution

1. Step 1: Write the proportion equation
   140,400.01 : 210,636.96 = 50,451.81 : x
2. Step 2: Convert to fraction form
   140,400.01/210,636.96 = 50,451.81/x
3. Step 3: Cross multiply
   140,400.01x = 210,636.96 × 50,451.81
4. Step 4: Simplify right side
   140,400.01x = 10,627,015,884.90
5. Step 5: Solve for x
   x = 10,627,015,884.90/140,400.01
6. Step 6: Final answer
   x = 75,690.99