Finding the Fourth Proportional to 2,619.88, 3,615.30 and 1,501

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.88 : 3,615.30 = 1,501 : x
2. Step 2: Convert to fraction form
   2,619.88/3,615.30 = 1,501/x
3. Step 3: Cross multiply
   2,619.88x = 3,615.30 × 1,501
4. Step 4: Simplify right side
   2,619.88x = 5,426,565.30
5. Step 5: Solve for x
   x = 5,426,565.30/2,619.88
6. Step 6: Final answer
   x = 2,071.30