Finding the Fourth Proportional to 2,619.88, 3,615.44 and 1,500.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.88 : 3,615.44 = 1,500.83 : x
2. Step 2: Convert to fraction form
   2,619.88/3,615.44 = 1,500.83/x
3. Step 3: Cross multiply
   2,619.88x = 3,615.44 × 1,500.83
4. Step 4: Simplify right side
   2,619.88x = 5,426,160.82
5. Step 5: Solve for x
   x = 5,426,160.82/2,619.88
6. Step 6: Final answer
   x = 2,071.15