Finding the Fourth Proportional to 2,620.01, 3,617.94 and 1,955.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.01 : 3,617.94 = 1,955.69 : x
2. Step 2: Convert to fraction form
   2,620.01/3,617.94 = 1,955.69/x
3. Step 3: Cross multiply
   2,620.01x = 3,617.94 × 1,955.69
4. Step 4: Simplify right side
   2,620.01x = 7,075,569.08
5. Step 5: Solve for x
   x = 7,075,569.08/2,620.01
6. Step 6: Final answer
   x = 2,700.59