Finding the Fourth Proportional to 300,870.03, 415,246.37 and 192,021.33

Step by Step Solution

1. Step 1: Write the proportion equation
   300,870.03 : 415,246.37 = 192,021.33 : x
2. Step 2: Convert to fraction form
   300,870.03/415,246.37 = 192,021.33/x
3. Step 3: Cross multiply
   300,870.03x = 415,246.37 × 192,021.33
4. Step 4: Simplify right side
   300,870.03x = 79,736,162,462.32
5. Step 5: Solve for x
   x = 79,736,162,462.32/300,870.03
6. Step 6: Final answer
   x = 265,018.63