Finding the Fourth Proportional to 2,407.09, 3,321.78 and 1,359.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.09 : 3,321.78 = 1,359.16 : x
2. Step 2: Convert to fraction form
   2,407.09/3,321.78 = 1,359.16/x
3. Step 3: Cross multiply
   2,407.09x = 3,321.78 × 1,359.16
4. Step 4: Simplify right side
   2,407.09x = 4,514,830.50
5. Step 5: Solve for x
   x = 4,514,830.50/2,407.09
6. Step 6: Final answer
   x = 1,875.64