Finding the Fourth Proportional to 2,368.56, 3,268.72 and 1,320.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.56 : 3,268.72 = 1,320.63 : x
2. Step 2: Convert to fraction form
   2,368.56/3,268.72 = 1,320.63/x
3. Step 3: Cross multiply
   2,368.56x = 3,268.72 × 1,320.63
4. Step 4: Simplify right side
   2,368.56x = 4,316,769.69
5. Step 5: Solve for x
   x = 4,316,769.69/2,368.56
6. Step 6: Final answer
   x = 1,822.53