Finding the Fourth Proportional to 2,179.72, 3,266.88 and 1,593.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.72 : 3,266.88 = 1,593.28 : x
2. Step 2: Convert to fraction form
   2,179.72/3,266.88 = 1,593.28/x
3. Step 3: Cross multiply
   2,179.72x = 3,266.88 × 1,593.28
4. Step 4: Simplify right side
   2,179.72x = 5,205,054.57
5. Step 5: Solve for x
   x = 5,205,054.57/2,179.72
6. Step 6: Final answer
   x = 2,387.95