Finding the Fourth Proportional to 1,595.22, 2,200.56 and 1,005.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.22 : 2,200.56 = 1,005.54 : x
2. Step 2: Convert to fraction form
   1,595.22/2,200.56 = 1,005.54/x
3. Step 3: Cross multiply
   1,595.22x = 2,200.56 × 1,005.54
4. Step 4: Simplify right side
   1,595.22x = 2,212,751.10
5. Step 5: Solve for x
   x = 2,212,751.10/1,595.22
6. Step 6: Final answer
   x = 1,387.11