Finding the Fourth Proportional to 300,314.73, 450,456.30 and 75,675

Step by Step Solution

1. Step 1: Write the proportion equation
   300,314.73 : 450,456.30 = 75,675 : x
2. Step 2: Convert to fraction form
   300,314.73/450,456.30 = 75,675/x
3. Step 3: Cross multiply
   300,314.73x = 450,456.30 × 75,675
4. Step 4: Simplify right side
   300,314.73x = 34,088,280,502.50
5. Step 5: Solve for x
   x = 34,088,280,502.50/300,314.73
6. Step 6: Final answer
   x = 113,508.52