Finding the Fourth Proportional to 1,642.56, 2,266.68 and 944.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.56 : 2,266.68 = 944.04 : x
2. Step 2: Convert to fraction form
   1,642.56/2,266.68 = 944.04/x
3. Step 3: Cross multiply
   1,642.56x = 2,266.68 × 944.04
4. Step 4: Simplify right side
   1,642.56x = 2,139,836.59
5. Step 5: Solve for x
   x = 2,139,836.59/1,642.56
6. Step 6: Final answer
   x = 1,302.74