Finding the Fourth Proportional to 1,839.72, 2,763.23 and 1,146.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.72 : 2,763.23 = 1,146.77 : x
2. Step 2: Convert to fraction form
   1,839.72/2,763.23 = 1,146.77/x
3. Step 3: Cross multiply
   1,839.72x = 2,763.23 × 1,146.77
4. Step 4: Simplify right side
   1,839.72x = 3,168,769.72
5. Step 5: Solve for x
   x = 3,168,769.72/1,839.72
6. Step 6: Final answer
   x = 1,722.42