Finding the Fourth Proportional to 2,345.33, 3,515.67 and 1,305.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.33 : 3,515.67 = 1,305.81 : x
2. Step 2: Convert to fraction form
   2,345.33/3,515.67 = 1,305.81/x
3. Step 3: Cross multiply
   2,345.33x = 3,515.67 × 1,305.81
4. Step 4: Simplify right side
   2,345.33x = 4,590,797.04
5. Step 5: Solve for x
   x = 4,590,797.04/2,345.33
6. Step 6: Final answer
   x = 1,957.42