Finding the Fourth Proportional to 140,765.01, 194,255.76 and 77,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,765.01 : 194,255.76 = 77,105.10 : x
2. Step 2: Convert to fraction form
   140,765.01/194,255.76 = 77,105.10/x
3. Step 3: Cross multiply
   140,765.01x = 194,255.76 × 77,105.10
4. Step 4: Simplify right side
   140,765.01x = 14,978,109,800.38
5. Step 5: Solve for x
   x = 14,978,109,800.38/140,765.01
6. Step 6: Final answer
   x = 106,405.06