Finding the Fourth Proportional to 2,407.50, 3,321.81 and 1,358.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.50 : 3,321.81 = 1,358.82 : x
2. Step 2: Convert to fraction form
   2,407.50/3,321.81 = 1,358.82/x
3. Step 3: Cross multiply
   2,407.50x = 3,321.81 × 1,358.82
4. Step 4: Simplify right side
   2,407.50x = 4,513,741.86
5. Step 5: Solve for x
   x = 4,513,741.86/2,407.50
6. Step 6: Final answer
   x = 1,874.87