Finding the Fourth Proportional to 13,818.83, 20,712.71 and 5,496.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,818.83 : 20,712.71 = 5,496.59 : x
2. Step 2: Convert to fraction form
   13,818.83/20,712.71 = 5,496.59/x
3. Step 3: Cross multiply
   13,818.83x = 20,712.71 × 5,496.59
4. Step 4: Simplify right side
   13,818.83x = 113,849,340.18
5. Step 5: Solve for x
   x = 113,849,340.18/13,818.83
6. Step 6: Final answer
   x = 8,238.71