Finding the Fourth Proportional to 2,619.99, 3,615.06 and 1,500.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.99 : 3,615.06 = 1,500.87 : x
2. Step 2: Convert to fraction form
   2,619.99/3,615.06 = 1,500.87/x
3. Step 3: Cross multiply
   2,619.99x = 3,615.06 × 1,500.87
4. Step 4: Simplify right side
   2,619.99x = 5,425,735.10
5. Step 5: Solve for x
   x = 5,425,735.10/2,619.99
6. Step 6: Final answer
   x = 2,070.90