Finding the Fourth Proportional to 2,368.51, 3,268.58 and 1,320.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.51 : 3,268.58 = 1,320.57 : x
2. Step 2: Convert to fraction form
   2,368.51/3,268.58 = 1,320.57/x
3. Step 3: Cross multiply
   2,368.51x = 3,268.58 × 1,320.57
4. Step 4: Simplify right side
   2,368.51x = 4,316,388.69
5. Step 5: Solve for x
   x = 4,316,388.69/2,368.51
6. Step 6: Final answer
   x = 1,822.41