Finding the Fourth Proportional to 300,399.03, 450,597.41 and 122,905.98

Step by Step Solution

1. Step 1: Write the proportion equation
   300,399.03 : 450,597.41 = 122,905.98 : x
2. Step 2: Convert to fraction form
   300,399.03/450,597.41 = 122,905.98/x
3. Step 3: Cross multiply
   300,399.03x = 450,597.41 × 122,905.98
4. Step 4: Simplify right side
   300,399.03x = 55,381,117,029.51
5. Step 5: Solve for x
   x = 55,381,117,029.51/300,399.03
6. Step 6: Final answer
   x = 184,358.51