Finding the Fourth Proportional to 2,922.55, 4,380.99 and 1,167.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,922.55 : 4,380.99 = 1,167.05 : x
2. Step 2: Convert to fraction form
   2,922.55/4,380.99 = 1,167.05/x
3. Step 3: Cross multiply
   2,922.55x = 4,380.99 × 1,167.05
4. Step 4: Simplify right side
   2,922.55x = 5,112,834.38
5. Step 5: Solve for x
   x = 5,112,834.38/2,922.55
6. Step 6: Final answer
   x = 1,749.44