Finding the Fourth Proportional to 13,317.52, 19,977.03 and 3,456.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,317.52 : 19,977.03 = 3,456.54 : x
2. Step 2: Convert to fraction form
   13,317.52/19,977.03 = 3,456.54/x
3. Step 3: Cross multiply
   13,317.52x = 19,977.03 × 3,456.54
4. Step 4: Simplify right side
   13,317.52x = 69,051,303.39
5. Step 5: Solve for x
   x = 69,051,303.39/13,317.52
6. Step 6: Final answer
   x = 5,185.00