Finding the Fourth Proportional to 1,643.45, 2,267.69 and 1,014.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643.45 : 2,267.69 = 1,014.71 : x
2. Step 2: Convert to fraction form
   1,643.45/2,267.69 = 1,014.71/x
3. Step 3: Cross multiply
   1,643.45x = 2,267.69 × 1,014.71
4. Step 4: Simplify right side
   1,643.45x = 2,301,031.31
5. Step 5: Solve for x
   x = 2,301,031.31/1,643.45
6. Step 6: Final answer
   x = 1,400.13