Finding the Fourth Proportional to 12,587.69, 17,369.67 and 7,281.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,587.69 : 17,369.67 = 7,281.52 : x
2. Step 2: Convert to fraction form
   12,587.69/17,369.67 = 7,281.52/x
3. Step 3: Cross multiply
   12,587.69x = 17,369.67 × 7,281.52
4. Step 4: Simplify right side
   12,587.69x = 126,477,485.34
5. Step 5: Solve for x
   x = 126,477,485.34/12,587.69
6. Step 6: Final answer
   x = 10,047.71