Finding the Fourth Proportional to 2,619.01, 3,616.56 and 1,954.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.01 : 3,616.56 = 1,954.69 : x
2. Step 2: Convert to fraction form
   2,619.01/3,616.56 = 1,954.69/x
3. Step 3: Cross multiply
   2,619.01x = 3,616.56 × 1,954.69
4. Step 4: Simplify right side
   2,619.01x = 7,069,253.67
5. Step 5: Solve for x
   x = 7,069,253.67/2,619.01
6. Step 6: Final answer
   x = 2,699.21