Finding the Fourth Proportional to 2,619.75, 3,615.72 and 1,500.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.75 : 3,615.72 = 1,500.74 : x
2. Step 2: Convert to fraction form
   2,619.75/3,615.72 = 1,500.74/x
3. Step 3: Cross multiply
   2,619.75x = 3,615.72 × 1,500.74
4. Step 4: Simplify right side
   2,619.75x = 5,426,255.63
5. Step 5: Solve for x
   x = 5,426,255.63/2,619.75
6. Step 6: Final answer
   x = 2,071.29