Finding the Fourth Proportional to 1,858.16, 2,562.56 and 1,609.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.16 : 2,562.56 = 1,609.36 : x
2. Step 2: Convert to fraction form
   1,858.16/2,562.56 = 1,609.36/x
3. Step 3: Cross multiply
   1,858.16x = 2,562.56 × 1,609.36
4. Step 4: Simplify right side
   1,858.16x = 4,124,081.56
5. Step 5: Solve for x
   x = 4,124,081.56/1,858.16
6. Step 6: Final answer
   x = 2,219.44