Finding the Fourth Proportional to 2,453.04, 3,680.34 and 993.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.04 : 3,680.34 = 993.42 : x
2. Step 2: Convert to fraction form
   2,453.04/3,680.34 = 993.42/x
3. Step 3: Cross multiply
   2,453.04x = 3,680.34 × 993.42
4. Step 4: Simplify right side
   2,453.04x = 3,656,123.36
5. Step 5: Solve for x
   x = 3,656,123.36/2,453.04
6. Step 6: Final answer
   x = 1,490.45