Finding the Fourth Proportional to 13,259.30, 19,891.37 and 5,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,259.30 : 19,891.37 = 5,468.72 : x
2. Step 2: Convert to fraction form
   13,259.30/19,891.37 = 5,468.72/x
3. Step 3: Cross multiply
   13,259.30x = 19,891.37 × 5,468.72
4. Step 4: Simplify right side
   13,259.30x = 108,780,247.16
5. Step 5: Solve for x
   x = 108,780,247.16/13,259.30
6. Step 6: Final answer
   x = 8,204.07