Finding the Fourth Proportional to 1,567.90, 2,162.81 and 1,409.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.90 : 2,162.81 = 1,409.34 : x
2. Step 2: Convert to fraction form
   1,567.90/2,162.81 = 1,409.34/x
3. Step 3: Cross multiply
   1,567.90x = 2,162.81 × 1,409.34
4. Step 4: Simplify right side
   1,567.90x = 3,048,138.17
5. Step 5: Solve for x
   x = 3,048,138.17/1,567.90
6. Step 6: Final answer
   x = 1,944.09