Finding the Fourth Proportional to 2,179.47, 3,003.38 and 2,152.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.47 : 3,003.38 = 2,152.23 : x
2. Step 2: Convert to fraction form
   2,179.47/3,003.38 = 2,152.23/x
3. Step 3: Cross multiply
   2,179.47x = 3,003.38 × 2,152.23
4. Step 4: Simplify right side
   2,179.47x = 6,463,953.78
5. Step 5: Solve for x
   x = 6,463,953.78/2,179.47
6. Step 6: Final answer
   x = 2,965.84