Finding the Fourth Proportional to 12,967.40, 19,454.18 and 5,571.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.40 : 19,454.18 = 5,571.93 : x
2. Step 2: Convert to fraction form
   12,967.40/19,454.18 = 5,571.93/x
3. Step 3: Cross multiply
   12,967.40x = 19,454.18 × 5,571.93
4. Step 4: Simplify right side
   12,967.40x = 108,397,329.17
5. Step 5: Solve for x
   x = 108,397,329.17/12,967.40
6. Step 6: Final answer
   x = 8,359.22