Finding the Fourth Proportional to 2,912.55, 4,369.43 and 1,181.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.55 : 4,369.43 = 1,181.17 : x
2. Step 2: Convert to fraction form
   2,912.55/4,369.43 = 1,181.17/x
3. Step 3: Cross multiply
   2,912.55x = 4,369.43 × 1,181.17
4. Step 4: Simplify right side
   2,912.55x = 5,161,039.63
5. Step 5: Solve for x
   x = 5,161,039.63/2,912.55
6. Step 6: Final answer
   x = 1,772.00