Finding the Fourth Proportional to 2,421.33, 3,341.39 and 1,359.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.33 : 3,341.39 = 1,359.15 : x
2. Step 2: Convert to fraction form
   2,421.33/3,341.39 = 1,359.15/x
3. Step 3: Cross multiply
   2,421.33x = 3,341.39 × 1,359.15
4. Step 4: Simplify right side
   2,421.33x = 4,541,443.42
5. Step 5: Solve for x
   x = 4,541,443.42/2,421.33
6. Step 6: Final answer
   x = 1,875.60