Finding the Fourth Proportional to 140,915.34, 194,463 and 77,253.48

Step by Step Solution

1. Step 1: Write the proportion equation
   140,915.34 : 194,463 = 77,253.48 : x
2. Step 2: Convert to fraction form
   140,915.34/194,463 = 77,253.48/x
3. Step 3: Cross multiply
   140,915.34x = 194,463 × 77,253.48
4. Step 4: Simplify right side
   140,915.34x = 15,022,943,481.24
5. Step 5: Solve for x
   x = 15,022,943,481.24/140,915.34
6. Step 6: Final answer
   x = 106,609.71