Finding the Fourth Proportional to 300,365.72, 450,673.86 and 131,798.96

Step by Step Solution

1. Step 1: Write the proportion equation
   300,365.72 : 450,673.86 = 131,798.96 : x
2. Step 2: Convert to fraction form
   300,365.72/450,673.86 = 131,798.96/x
3. Step 3: Cross multiply
   300,365.72x = 450,673.86 × 131,798.96
4. Step 4: Simplify right side
   300,365.72x = 59,398,346,047.19
5. Step 5: Solve for x
   x = 59,398,346,047.19/300,365.72
6. Step 6: Final answer
   x = 197,753.41