Finding the Fourth Proportional to 1,764.71, 2,643.83 and 1,113.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.71 : 2,643.83 = 1,113.83 : x
2. Step 2: Convert to fraction form
   1,764.71/2,643.83 = 1,113.83/x
3. Step 3: Cross multiply
   1,764.71x = 2,643.83 × 1,113.83
4. Step 4: Simplify right side
   1,764.71x = 2,944,771.60
5. Step 5: Solve for x
   x = 2,944,771.60/1,764.71
6. Step 6: Final answer
   x = 1,668.70