Finding the Fourth Proportional to 303,408.69, 455,162.25 and 113,883.89

Step by Step Solution

1. Step 1: Write the proportion equation
   303,408.69 : 455,162.25 = 113,883.89 : x
2. Step 2: Convert to fraction form
   303,408.69/455,162.25 = 113,883.89/x
3. Step 3: Cross multiply
   303,408.69x = 455,162.25 × 113,883.89
4. Step 4: Simplify right side
   303,408.69x = 51,835,645,335.34
5. Step 5: Solve for x
   x = 51,835,645,335.34/303,408.69
6. Step 6: Final answer
   x = 170,844.30