Finding the Fourth Proportional to 2,387.72, 3,583.50 and 927.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.72 : 3,583.50 = 927.56 : x
2. Step 2: Convert to fraction form
   2,387.72/3,583.50 = 927.56/x
3. Step 3: Cross multiply
   2,387.72x = 3,583.50 × 927.56
4. Step 4: Simplify right side
   2,387.72x = 3,323,911.26
5. Step 5: Solve for x
   x = 3,323,911.26/2,387.72
6. Step 6: Final answer
   x = 1,392.09