Finding the Fourth Proportional to 10,967.75, 16,449.91 and 3,572.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,967.75 : 16,449.91 = 3,572.15 : x
2. Step 2: Convert to fraction form
   10,967.75/16,449.91 = 3,572.15/x
3. Step 3: Cross multiply
   10,967.75x = 16,449.91 × 3,572.15
4. Step 4: Simplify right side
   10,967.75x = 58,761,557.40
5. Step 5: Solve for x
   x = 58,761,557.40/10,967.75
6. Step 6: Final answer
   x = 5,357.67