Finding the Fourth Proportional to 140,141.50, 193,344.69 and 107,885.99

Step by Step Solution

1. Step 1: Write the proportion equation
   140,141.50 : 193,344.69 = 107,885.99 : x
2. Step 2: Convert to fraction form
   140,141.50/193,344.69 = 107,885.99/x
3. Step 3: Cross multiply
   140,141.50x = 193,344.69 × 107,885.99
4. Step 4: Simplify right side
   140,141.50x = 20,859,183,291.89
5. Step 5: Solve for x
   x = 20,859,183,291.89/140,141.50
6. Step 6: Final answer
   x = 148,843.73