Finding the Fourth Proportional to 1,625.57, 2,434.57 and 1,259.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625.57 : 2,434.57 = 1,259.18 : x
2. Step 2: Convert to fraction form
   1,625.57/2,434.57 = 1,259.18/x
3. Step 3: Cross multiply
   1,625.57x = 2,434.57 × 1,259.18
4. Step 4: Simplify right side
   1,625.57x = 3,065,543.38
5. Step 5: Solve for x
   x = 3,065,543.38/1,625.57
6. Step 6: Final answer
   x = 1,885.83