Finding the Fourth Proportional to 2,478.20, 3,420.07 and 1,593.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.20 : 3,420.07 = 1,593.83 : x
2. Step 2: Convert to fraction form
   2,478.20/3,420.07 = 1,593.83/x
3. Step 3: Cross multiply
   2,478.20x = 3,420.07 × 1,593.83
4. Step 4: Simplify right side
   2,478.20x = 5,451,004.46
5. Step 5: Solve for x
   x = 5,451,004.46/2,478.20
6. Step 6: Final answer
   x = 2,199.59