Finding the Fourth Proportional to 3,916.32, 5,874.50 and 994.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916.32 : 5,874.50 = 994.63 : x
2. Step 2: Convert to fraction form
   3,916.32/5,874.50 = 994.63/x
3. Step 3: Cross multiply
   3,916.32x = 5,874.50 × 994.63
4. Step 4: Simplify right side
   3,916.32x = 5,842,949.95
5. Step 5: Solve for x
   x = 5,842,949.95/3,916.32
6. Step 6: Final answer
   x = 1,491.95