Finding the Fourth Proportional to 10,380.70, 15,568.72 and 2,983.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380.70 : 15,568.72 = 2,983.51 : x
2. Step 2: Convert to fraction form
   10,380.70/15,568.72 = 2,983.51/x
3. Step 3: Cross multiply
   10,380.70x = 15,568.72 × 2,983.51
4. Step 4: Simplify right side
   10,380.70x = 46,449,416.89
5. Step 5: Solve for x
   x = 46,449,416.89/10,380.70
6. Step 6: Final answer
   x = 4,474.59