Finding the Fourth Proportional to 140,716.24, 194,188.71 and 76,186.15

Step by Step Solution

1. Step 1: Write the proportion equation
   140,716.24 : 194,188.71 = 76,186.15 : x
2. Step 2: Convert to fraction form
   140,716.24/194,188.71 = 76,186.15/x
3. Step 3: Cross multiply
   140,716.24x = 194,188.71 × 76,186.15
4. Step 4: Simplify right side
   140,716.24x = 14,794,490,188.37
5. Step 5: Solve for x
   x = 14,794,490,188.37/140,716.24
6. Step 6: Final answer
   x = 105,137.05