Finding the Fourth Proportional to 2,421.89, 3,341.35 and 1,583.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.89 : 3,341.35 = 1,583.08 : x
2. Step 2: Convert to fraction form
   2,421.89/3,341.35 = 1,583.08/x
3. Step 3: Cross multiply
   2,421.89x = 3,341.35 × 1,583.08
4. Step 4: Simplify right side
   2,421.89x = 5,289,628.32
5. Step 5: Solve for x
   x = 5,289,628.32/2,421.89
6. Step 6: Final answer
   x = 2,184.09