Finding the Fourth Proportional to 140,076, 193,304.88 and 76,414.05

Step by Step Solution

1. Step 1: Write the proportion equation
   140,076 : 193,304.88 = 76,414.05 : x
2. Step 2: Convert to fraction form
   140,076/193,304.88 = 76,414.05/x
3. Step 3: Cross multiply
   140,076x = 193,304.88 × 76,414.05
4. Step 4: Simplify right side
   140,076x = 14,771,208,765.56
5. Step 5: Solve for x
   x = 14,771,208,765.56/140,076
6. Step 6: Final answer
   x = 105,451.39