Finding the Fourth Proportional to 323,118.72, 484,602.72 and 123,365.76

Step by Step Solution

1. Step 1: Write the proportion equation
   323,118.72 : 484,602.72 = 123,365.76 : x
2. Step 2: Convert to fraction form
   323,118.72/484,602.72 = 123,365.76/x
3. Step 3: Cross multiply
   323,118.72x = 484,602.72 × 123,365.76
4. Step 4: Simplify right side
   323,118.72x = 59,783,382,850.87
5. Step 5: Solve for x
   x = 59,783,382,850.87/323,118.72
6. Step 6: Final answer
   x = 185,019.87