Finding the Fourth Proportional to 2,406.69, 3,321.53 and 1,358.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.69 : 3,321.53 = 1,358.75 : x
2. Step 2: Convert to fraction form
   2,406.69/3,321.53 = 1,358.75/x
3. Step 3: Cross multiply
   2,406.69x = 3,321.53 × 1,358.75
4. Step 4: Simplify right side
   2,406.69x = 4,513,128.89
5. Step 5: Solve for x
   x = 4,513,128.89/2,406.69
6. Step 6: Final answer
   x = 1,875.24