Finding the Fourth Proportional to 2,603.32, 3,581.67 and 2,272.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.32 : 3,581.67 = 2,272.51 : x
2. Step 2: Convert to fraction form
   2,603.32/3,581.67 = 2,272.51/x
3. Step 3: Cross multiply
   2,603.32x = 3,581.67 × 2,272.51
4. Step 4: Simplify right side
   2,603.32x = 8,139,380.89
5. Step 5: Solve for x
   x = 8,139,380.89/2,603.32
6. Step 6: Final answer
   x = 3,126.54