Finding the Fourth Proportional to 2,916.84, 4,375.71 and 1,067.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.84 : 4,375.71 = 1,067.55 : x
2. Step 2: Convert to fraction form
   2,916.84/4,375.71 = 1,067.55/x
3. Step 3: Cross multiply
   2,916.84x = 4,375.71 × 1,067.55
4. Step 4: Simplify right side
   2,916.84x = 4,671,289.21
5. Step 5: Solve for x
   x = 4,671,289.21/2,916.84
6. Step 6: Final answer
   x = 1,601.49