Finding the Fourth Proportional to 301,404.08, 416,282.83 and 198,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   301,404.08 : 416,282.83 = 198,498.28 : x
2. Step 2: Convert to fraction form
   301,404.08/416,282.83 = 198,498.28/x
3. Step 3: Cross multiply
   301,404.08x = 416,282.83 × 198,498.28
4. Step 4: Simplify right side
   301,404.08x = 82,631,426,789.24
5. Step 5: Solve for x
   x = 82,631,426,789.24/301,404.08
6. Step 6: Final answer
   x = 274,154.98