Finding the Fourth Proportional to 1,625.59, 2,241.78 and 1,066.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625.59 : 2,241.78 = 1,066.54 : x
2. Step 2: Convert to fraction form
   1,625.59/2,241.78 = 1,066.54/x
3. Step 3: Cross multiply
   1,625.59x = 2,241.78 × 1,066.54
4. Step 4: Simplify right side
   1,625.59x = 2,390,948.04
5. Step 5: Solve for x
   x = 2,390,948.04/1,625.59
6. Step 6: Final answer
   x = 1,470.82