Finding the Fourth Proportional to 13,298.49, 19,940.72 and 5,899.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.49 : 19,940.72 = 5,899.73 : x
2. Step 2: Convert to fraction form
   13,298.49/19,940.72 = 5,899.73/x
3. Step 3: Cross multiply
   13,298.49x = 19,940.72 × 5,899.73
4. Step 4: Simplify right side
   13,298.49x = 117,644,734.80
5. Step 5: Solve for x
   x = 117,644,734.80/13,298.49
6. Step 6: Final answer
   x = 8,846.47