Finding the Fourth Proportional to 13,259.45, 19,898.12 and 5,468.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,259.45 : 19,898.12 = 5,468.09 : x
2. Step 2: Convert to fraction form
   13,259.45/19,898.12 = 5,468.09/x
3. Step 3: Cross multiply
   13,259.45x = 19,898.12 × 5,468.09
4. Step 4: Simplify right side
   13,259.45x = 108,804,710.99
5. Step 5: Solve for x
   x = 108,804,710.99/13,259.45
6. Step 6: Final answer
   x = 8,205.82