Finding the Fourth Proportional to 300,186.53, 450,456.59 and 110,780.18

Step by Step Solution

1. Step 1: Write the proportion equation
   300,186.53 : 450,456.59 = 110,780.18 : x
2. Step 2: Convert to fraction form
   300,186.53/450,456.59 = 110,780.18/x
3. Step 3: Cross multiply
   300,186.53x = 450,456.59 × 110,780.18
4. Step 4: Simplify right side
   300,186.53x = 49,901,660,719.29
5. Step 5: Solve for x
   x = 49,901,660,719.29/300,186.53
6. Step 6: Final answer
   x = 166,235.51