Finding the Fourth Proportional to 123,363.18, 185,118.58 and 113,324.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,363.18 : 185,118.58 = 113,324.86 : x
2. Step 2: Convert to fraction form
   123,363.18/185,118.58 = 113,324.86/x
3. Step 3: Cross multiply
   123,363.18x = 185,118.58 × 113,324.86
4. Step 4: Simplify right side
   123,363.18x = 20,978,537,161.90
5. Step 5: Solve for x
   x = 20,978,537,161.90/123,363.18
6. Step 6: Final answer
   x = 170,055.09