Finding the Fourth Proportional to 301,995.30, 451,826.55 and 197,019.30

Step by Step Solution

1. Step 1: Write the proportion equation
   301,995.30 : 451,826.55 = 197,019.30 : x
2. Step 2: Convert to fraction form
   301,995.30/451,826.55 = 197,019.30/x
3. Step 3: Cross multiply
   301,995.30x = 451,826.55 × 197,019.30
4. Step 4: Simplify right side
   301,995.30x = 89,018,550,602.42
5. Step 5: Solve for x
   x = 89,018,550,602.42/301,995.30
6. Step 6: Final answer
   x = 294,768.00