Finding the Fourth Proportional to 325,386.37, 448,801.72 and 298,615.33

Step by Step Solution

1. Step 1: Write the proportion equation
   325,386.37 : 448,801.72 = 298,615.33 : x
2. Step 2: Convert to fraction form
   325,386.37/448,801.72 = 298,615.33/x
3. Step 3: Cross multiply
   325,386.37x = 448,801.72 × 298,615.33
4. Step 4: Simplify right side
   325,386.37x = 134,019,073,722.37
5. Step 5: Solve for x
   x = 134,019,073,722.37/325,386.37
6. Step 6: Final answer
   x = 411,876.73