Finding the Fourth Proportional to 2,800.47, 3,864.66 and 1,524.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.47 : 3,864.66 = 1,524.34 : x
2. Step 2: Convert to fraction form
   2,800.47/3,864.66 = 1,524.34/x
3. Step 3: Cross multiply
   2,800.47x = 3,864.66 × 1,524.34
4. Step 4: Simplify right side
   2,800.47x = 5,891,055.82
5. Step 5: Solve for x
   x = 5,891,055.82/2,800.47
6. Step 6: Final answer
   x = 2,103.60