Finding the Fourth Proportional to 140,934.82, 194,488.57 and 77,272.46

Step by Step Solution

1. Step 1: Write the proportion equation
   140,934.82 : 194,488.57 = 77,272.46 : x
2. Step 2: Convert to fraction form
   140,934.82/194,488.57 = 77,272.46/x
3. Step 3: Cross multiply
   140,934.82x = 194,488.57 × 77,272.46
4. Step 4: Simplify right side
   140,934.82x = 15,028,610,245.78
5. Step 5: Solve for x
   x = 15,028,610,245.78/140,934.82
6. Step 6: Final answer
   x = 106,635.18