Finding the Fourth Proportional to 2,124.47, 2,922.45 and 2,003.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.47 : 2,922.45 = 2,003.51 : x
2. Step 2: Convert to fraction form
   2,124.47/2,922.45 = 2,003.51/x
3. Step 3: Cross multiply
   2,124.47x = 2,922.45 × 2,003.51
4. Step 4: Simplify right side
   2,124.47x = 5,855,157.80
5. Step 5: Solve for x
   x = 5,855,157.80/2,124.47
6. Step 6: Final answer
   x = 2,756.06