Finding the Fourth Proportional to 2,624.97, 3,935.68 and 1,307.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.97 : 3,935.68 = 1,307.05 : x
2. Step 2: Convert to fraction form
   2,624.97/3,935.68 = 1,307.05/x
3. Step 3: Cross multiply
   2,624.97x = 3,935.68 × 1,307.05
4. Step 4: Simplify right side
   2,624.97x = 5,144,130.54
5. Step 5: Solve for x
   x = 5,144,130.54/2,624.97
6. Step 6: Final answer
   x = 1,959.69