Finding the Fourth Proportional to 3,463.71, 5,195.52 and 866.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,463.71 : 5,195.52 = 866.67 : x
2. Step 2: Convert to fraction form
   3,463.71/5,195.52 = 866.67/x
3. Step 3: Cross multiply
   3,463.71x = 5,195.52 × 866.67
4. Step 4: Simplify right side
   3,463.71x = 4,502,801.32
5. Step 5: Solve for x
   x = 4,502,801.32/3,463.71
6. Step 6: Final answer
   x = 1,299.99