Finding the Fourth Proportional to 2,287.08, 3,157.02 and 1,787.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.08 : 3,157.02 = 1,787.72 : x
2. Step 2: Convert to fraction form
   2,287.08/3,157.02 = 1,787.72/x
3. Step 3: Cross multiply
   2,287.08x = 3,157.02 × 1,787.72
4. Step 4: Simplify right side
   2,287.08x = 5,643,852.01
5. Step 5: Solve for x
   x = 5,643,852.01/2,287.08
6. Step 6: Final answer
   x = 2,467.71