Finding the Fourth Proportional to 2,368.74, 3,269.01 and 1,320.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.74 : 3,269.01 = 1,320.81 : x
2. Step 2: Convert to fraction form
   2,368.74/3,269.01 = 1,320.81/x
3. Step 3: Cross multiply
   2,368.74x = 3,269.01 × 1,320.81
4. Step 4: Simplify right side
   2,368.74x = 4,317,741.10
5. Step 5: Solve for x
   x = 4,317,741.10/2,368.74
6. Step 6: Final answer
   x = 1,822.80