Finding the Fourth Proportional to 1,643.52, 2,267.55 and 944.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643.52 : 2,267.55 = 944.76 : x
2. Step 2: Convert to fraction form
   1,643.52/2,267.55 = 944.76/x
3. Step 3: Cross multiply
   1,643.52x = 2,267.55 × 944.76
4. Step 4: Simplify right side
   1,643.52x = 2,142,290.54
5. Step 5: Solve for x
   x = 2,142,290.54/1,643.52
6. Step 6: Final answer
   x = 1,303.48