Finding the Fourth Proportional to 1,715.09, 2,377.71 and 1,626.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.09 : 2,377.71 = 1,626.17 : x
2. Step 2: Convert to fraction form
   1,715.09/2,377.71 = 1,626.17/x
3. Step 3: Cross multiply
   1,715.09x = 2,377.71 × 1,626.17
4. Step 4: Simplify right side
   1,715.09x = 3,866,548.78
5. Step 5: Solve for x
   x = 3,866,548.78/1,715.09
6. Step 6: Final answer
   x = 2,254.44