Finding the Fourth Proportional to 2,407.07, 3,321.72 and 1,359.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.07 : 3,321.72 = 1,359.15 : x
2. Step 2: Convert to fraction form
   2,407.07/3,321.72 = 1,359.15/x
3. Step 3: Cross multiply
   2,407.07x = 3,321.72 × 1,359.15
4. Step 4: Simplify right side
   2,407.07x = 4,514,715.74
5. Step 5: Solve for x
   x = 4,514,715.74/2,407.07
6. Step 6: Final answer
   x = 1,875.61