Finding the Fourth Proportional to 2,871.94, 4,308.32 and 924.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871.94 : 4,308.32 = 924.56 : x
2. Step 2: Convert to fraction form
   2,871.94/4,308.32 = 924.56/x
3. Step 3: Cross multiply
   2,871.94x = 4,308.32 × 924.56
4. Step 4: Simplify right side
   2,871.94x = 3,983,300.34
5. Step 5: Solve for x
   x = 3,983,300.34/2,871.94
6. Step 6: Final answer
   x = 1,386.97