Finding the Fourth Proportional to 2,588.89, 3,572.56 and 1,409.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.89 : 3,572.56 = 1,409.96 : x
2. Step 2: Convert to fraction form
   2,588.89/3,572.56 = 1,409.96/x
3. Step 3: Cross multiply
   2,588.89x = 3,572.56 × 1,409.96
4. Step 4: Simplify right side
   2,588.89x = 5,037,141.79
5. Step 5: Solve for x
   x = 5,037,141.79/2,588.89
6. Step 6: Final answer
   x = 1,945.68