Finding the Fourth Proportional to 140,627.69, 194,071.16 and 76,965.47

Step by Step Solution

1. Step 1: Write the proportion equation
   140,627.69 : 194,071.16 = 76,965.47 : x
2. Step 2: Convert to fraction form
   140,627.69/194,071.16 = 76,965.47/x
3. Step 3: Cross multiply
   140,627.69x = 194,071.16 × 76,965.47
4. Step 4: Simplify right side
   140,627.69x = 14,936,777,559.74
5. Step 5: Solve for x
   x = 14,936,777,559.74/140,627.69
6. Step 6: Final answer
   x = 106,215.05