Finding the Fourth Proportional to 2,619.98, 3,615.56 and 1,500.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.98 : 3,615.56 = 1,500.90 : x
2. Step 2: Convert to fraction form
   2,619.98/3,615.56 = 1,500.90/x
3. Step 3: Cross multiply
   2,619.98x = 3,615.56 × 1,500.90
4. Step 4: Simplify right side
   2,619.98x = 5,426,594.00
5. Step 5: Solve for x
   x = 5,426,594.00/2,619.98
6. Step 6: Final answer
   x = 2,071.23