Finding the Fourth Proportional to 2,996.82, 4,495.96 and 916.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.82 : 4,495.96 = 916.86 : x
2. Step 2: Convert to fraction form
   2,996.82/4,495.96 = 916.86/x
3. Step 3: Cross multiply
   2,996.82x = 4,495.96 × 916.86
4. Step 4: Simplify right side
   2,996.82x = 4,122,165.89
5. Step 5: Solve for x
   x = 4,122,165.89/2,996.82
6. Step 6: Final answer
   x = 1,375.51