Finding the Fourth Proportional to 9,162.69, 13,742.46 and 2,587.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.69 : 13,742.46 = 2,587.34 : x
2. Step 2: Convert to fraction form
   9,162.69/13,742.46 = 2,587.34/x
3. Step 3: Cross multiply
   9,162.69x = 13,742.46 × 2,587.34
4. Step 4: Simplify right side
   9,162.69x = 35,556,403.52
5. Step 5: Solve for x
   x = 35,556,403.52/9,162.69
6. Step 6: Final answer
   x = 3,880.56