Finding the Fourth Proportional to 2,588.47, 3,572.12 and 1,409.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.47 : 3,572.12 = 1,409.54 : x
2. Step 2: Convert to fraction form
   2,588.47/3,572.12 = 1,409.54/x
3. Step 3: Cross multiply
   2,588.47x = 3,572.12 × 1,409.54
4. Step 4: Simplify right side
   2,588.47x = 5,035,031.69
5. Step 5: Solve for x
   x = 5,035,031.69/2,588.47
6. Step 6: Final answer
   x = 1,945.18