Finding the Fourth Proportional to 140,815.46, 193,915.82 and 131,810.49

Step by Step Solution

1. Step 1: Write the proportion equation
   140,815.46 : 193,915.82 = 131,810.49 : x
2. Step 2: Convert to fraction form
   140,815.46/193,915.82 = 131,810.49/x
3. Step 3: Cross multiply
   140,815.46x = 193,915.82 × 131,810.49
4. Step 4: Simplify right side
   140,815.46x = 25,560,139,582.48
5. Step 5: Solve for x
   x = 25,560,139,582.48/140,815.46
6. Step 6: Final answer
   x = 181,515.15