Finding the Fourth Proportional to 140,582.88, 194,004.06 and 76,920.54

Step by Step Solution

1. Step 1: Write the proportion equation
   140,582.88 : 194,004.06 = 76,920.54 : x
2. Step 2: Convert to fraction form
   140,582.88/194,004.06 = 76,920.54/x
3. Step 3: Cross multiply
   140,582.88x = 194,004.06 × 76,920.54
4. Step 4: Simplify right side
   140,582.88x = 14,922,897,057.39
5. Step 5: Solve for x
   x = 14,922,897,057.39/140,582.88
6. Step 6: Final answer
   x = 106,150.17