Finding the Fourth Proportional to 140,090.46, 210,062.69 and 50,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,090.46 : 210,062.69 = 50,098.50 : x
2. Step 2: Convert to fraction form
   140,090.46/210,062.69 = 50,098.50/x
3. Step 3: Cross multiply
   140,090.46x = 210,062.69 × 50,098.50
4. Step 4: Simplify right side
   140,090.46x = 10,523,825,674.97
5. Step 5: Solve for x
   x = 10,523,825,674.97/140,090.46
6. Step 6: Final answer
   x = 75,121.64