Finding the Fourth Proportional to 3,983.51, 5,974.04 and 1,314.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.51 : 5,974.04 = 1,314.61 : x
2. Step 2: Convert to fraction form
   3,983.51/5,974.04 = 1,314.61/x
3. Step 3: Cross multiply
   3,983.51x = 5,974.04 × 1,314.61
4. Step 4: Simplify right side
   3,983.51x = 7,853,522.72
5. Step 5: Solve for x
   x = 7,853,522.72/3,983.51
6. Step 6: Final answer
   x = 1,971.51