Finding the Fourth Proportional to 2,400.63, 3,312.86 and 1,352.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.63 : 3,312.86 = 1,352.69 : x
2. Step 2: Convert to fraction form
   2,400.63/3,312.86 = 1,352.69/x
3. Step 3: Cross multiply
   2,400.63x = 3,312.86 × 1,352.69
4. Step 4: Simplify right side
   2,400.63x = 4,481,272.59
5. Step 5: Solve for x
   x = 4,481,272.59/2,400.63
6. Step 6: Final answer
   x = 1,866.71