Finding the Fourth Proportional to 2,348.47, 3,521.56 and 866.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.47 : 3,521.56 = 866.67 : x
2. Step 2: Convert to fraction form
   2,348.47/3,521.56 = 866.67/x
3. Step 3: Cross multiply
   2,348.47x = 3,521.56 × 866.67
4. Step 4: Simplify right side
   2,348.47x = 3,052,030.41
5. Step 5: Solve for x
   x = 3,052,030.41/2,348.47
6. Step 6: Final answer
   x = 1,299.58