Finding the Fourth Proportional to 2,983.60, 4,474.78 and 1,134.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.60 : 4,474.78 = 1,134.07 : x
2. Step 2: Convert to fraction form
   2,983.60/4,474.78 = 1,134.07/x
3. Step 3: Cross multiply
   2,983.60x = 4,474.78 × 1,134.07
4. Step 4: Simplify right side
   2,983.60x = 5,074,699.73
5. Step 5: Solve for x
   x = 5,074,699.73/2,983.60
6. Step 6: Final answer
   x = 1,700.87