Finding the Fourth Proportional to 2,299.59, 3,448.17 and 1,684.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.59 : 3,448.17 = 1,684.80 : x
2. Step 2: Convert to fraction form
   2,299.59/3,448.17 = 1,684.80/x
3. Step 3: Cross multiply
   2,299.59x = 3,448.17 × 1,684.80
4. Step 4: Simplify right side
   2,299.59x = 5,809,476.82
5. Step 5: Solve for x
   x = 5,809,476.82/2,299.59
6. Step 6: Final answer
   x = 2,526.31