Finding the Fourth Proportional to 2,406.64, 3,320.98 and 1,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.64 : 3,320.98 = 1,358.50 : x
2. Step 2: Convert to fraction form
   2,406.64/3,320.98 = 1,358.50/x
3. Step 3: Cross multiply
   2,406.64x = 3,320.98 × 1,358.50
4. Step 4: Simplify right side
   2,406.64x = 4,511,551.33
5. Step 5: Solve for x
   x = 4,511,551.33/2,406.64
6. Step 6: Final answer
   x = 1,874.63