Finding the Fourth Proportional to 140,375.34, 210,539.94 and 50,399.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,375.34 : 210,539.94 = 50,399.42 : x
2. Step 2: Convert to fraction form
   140,375.34/210,539.94 = 50,399.42/x
3. Step 3: Cross multiply
   140,375.34x = 210,539.94 × 50,399.42
4. Step 4: Simplify right side
   140,375.34x = 10,611,090,862.83
5. Step 5: Solve for x
   x = 10,611,090,862.83/140,375.34
6. Step 6: Final answer
   x = 75,590.85