Finding the Fourth Proportional to 2,397.29, 3,595.37 and 916.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.29 : 3,595.37 = 916.21 : x
2. Step 2: Convert to fraction form
   2,397.29/3,595.37 = 916.21/x
3. Step 3: Cross multiply
   2,397.29x = 3,595.37 × 916.21
4. Step 4: Simplify right side
   2,397.29x = 3,294,100.38
5. Step 5: Solve for x
   x = 3,294,100.38/2,397.29
6. Step 6: Final answer
   x = 1,374.09