Finding the Fourth Proportional to 2,415.89, 3,622.62 and 1,181.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.89 : 3,622.62 = 1,181.45 : x
2. Step 2: Convert to fraction form
   2,415.89/3,622.62 = 1,181.45/x
3. Step 3: Cross multiply
   2,415.89x = 3,622.62 × 1,181.45
4. Step 4: Simplify right side
   2,415.89x = 4,279,944.40
5. Step 5: Solve for x
   x = 4,279,944.40/2,415.89
6. Step 6: Final answer
   x = 1,771.58