Finding the Fourth Proportional to 1,801.72, 2,700.30 and 966.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.72 : 2,700.30 = 966.71 : x
2. Step 2: Convert to fraction form
   1,801.72/2,700.30 = 966.71/x
3. Step 3: Cross multiply
   1,801.72x = 2,700.30 × 966.71
4. Step 4: Simplify right side
   1,801.72x = 2,610,407.01
5. Step 5: Solve for x
   x = 2,610,407.01/1,801.72
6. Step 6: Final answer
   x = 1,448.84