Finding the Fourth Proportional to 2,661.62, 3,994.52 and 1,845.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.62 : 3,994.52 = 1,845.63 : x
2. Step 2: Convert to fraction form
   2,661.62/3,994.52 = 1,845.63/x
3. Step 3: Cross multiply
   2,661.62x = 3,994.52 × 1,845.63
4. Step 4: Simplify right side
   2,661.62x = 7,372,396.72
5. Step 5: Solve for x
   x = 7,372,396.72/2,661.62
6. Step 6: Final answer
   x = 2,769.90