Finding the Fourth Proportional to 13,185.39, 19,773.95 and 3,826.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.39 : 19,773.95 = 3,826.05 : x
2. Step 2: Convert to fraction form
   13,185.39/19,773.95 = 3,826.05/x
3. Step 3: Cross multiply
   13,185.39x = 19,773.95 × 3,826.05
4. Step 4: Simplify right side
   13,185.39x = 75,656,216.03
5. Step 5: Solve for x
   x = 75,656,216.03/13,185.39
6. Step 6: Final answer
   x = 5,737.88