Finding the Fourth Proportional to 2,380.24, 3,572.69 and 1,286.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.24 : 3,572.69 = 1,286.94 : x
2. Step 2: Convert to fraction form
   2,380.24/3,572.69 = 1,286.94/x
3. Step 3: Cross multiply
   2,380.24x = 3,572.69 × 1,286.94
4. Step 4: Simplify right side
   2,380.24x = 4,597,837.67
5. Step 5: Solve for x
   x = 4,597,837.67/2,380.24
6. Step 6: Final answer
   x = 1,931.67