Finding the Fourth Proportional to 2,406.82, 3,321.45 and 1,358.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.82 : 3,321.45 = 1,358.89 : x
2. Step 2: Convert to fraction form
   2,406.82/3,321.45 = 1,358.89/x
3. Step 3: Cross multiply
   2,406.82x = 3,321.45 × 1,358.89
4. Step 4: Simplify right side
   2,406.82x = 4,513,485.19
5. Step 5: Solve for x
   x = 4,513,485.19/2,406.82
6. Step 6: Final answer
   x = 1,875.29