Finding the Fourth Proportional to 300,414.35, 450,586.93 and 75,776.82

Step by Step Solution

1. Step 1: Write the proportion equation
   300,414.35 : 450,586.93 = 75,776.82 : x
2. Step 2: Convert to fraction form
   300,414.35/450,586.93 = 75,776.82/x
3. Step 3: Cross multiply
   300,414.35x = 450,586.93 × 75,776.82
4. Step 4: Simplify right side
   300,414.35x = 34,144,042,738.78
5. Step 5: Solve for x
   x = 34,144,042,738.78/300,414.35
6. Step 6: Final answer
   x = 113,656.50