Finding the Fourth Proportional to 2,381.51, 3,268.88 and 2,280.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.51 : 3,268.88 = 2,280.03 : x
2. Step 2: Convert to fraction form
   2,381.51/3,268.88 = 2,280.03/x
3. Step 3: Cross multiply
   2,381.51x = 3,268.88 × 2,280.03
4. Step 4: Simplify right side
   2,381.51x = 7,453,133.07
5. Step 5: Solve for x
   x = 7,453,133.07/2,381.51
6. Step 6: Final answer
   x = 3,129.59