Finding the Fourth Proportional to 2,377.98, 3,564.24 and 916.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.98 : 3,564.24 = 916.38 : x
2. Step 2: Convert to fraction form
   2,377.98/3,564.24 = 916.38/x
3. Step 3: Cross multiply
   2,377.98x = 3,564.24 × 916.38
4. Step 4: Simplify right side
   2,377.98x = 3,266,198.25
5. Step 5: Solve for x
   x = 3,266,198.25/2,377.98
6. Step 6: Final answer
   x = 1,373.52