Finding the Fourth Proportional to 3,767.31, 5,650.56 and 993.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.31 : 5,650.56 = 993.87 : x
2. Step 2: Convert to fraction form
   3,767.31/5,650.56 = 993.87/x
3. Step 3: Cross multiply
   3,767.31x = 5,650.56 × 993.87
4. Step 4: Simplify right side
   3,767.31x = 5,615,922.07
5. Step 5: Solve for x
   x = 5,615,922.07/3,767.31
6. Step 6: Final answer
   x = 1,490.70