Finding the Fourth Proportional to 140,823.05, 194,335.89 and 77,160.83

Step by Step Solution

1. Step 1: Write the proportion equation
   140,823.05 : 194,335.89 = 77,160.83 : x
2. Step 2: Convert to fraction form
   140,823.05/194,335.89 = 77,160.83/x
3. Step 3: Cross multiply
   140,823.05x = 194,335.89 × 77,160.83
4. Step 4: Simplify right side
   140,823.05x = 14,995,118,571.19
5. Step 5: Solve for x
   x = 14,995,118,571.19/140,823.05
6. Step 6: Final answer
   x = 106,481.99