Finding the Fourth Proportional to 2,296.47, 3,168.43 and 1,587.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.47 : 3,168.43 = 1,587.48 : x
2. Step 2: Convert to fraction form
   2,296.47/3,168.43 = 1,587.48/x
3. Step 3: Cross multiply
   2,296.47x = 3,168.43 × 1,587.48
4. Step 4: Simplify right side
   2,296.47x = 5,029,830.16
5. Step 5: Solve for x
   x = 5,029,830.16/2,296.47
6. Step 6: Final answer
   x = 2,190.25