Finding the Fourth Proportional to 13,046.24, 19,570.54 and 3,686.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.24 : 19,570.54 = 3,686.36 : x
2. Step 2: Convert to fraction form
   13,046.24/19,570.54 = 3,686.36/x
3. Step 3: Cross multiply
   13,046.24x = 19,570.54 × 3,686.36
4. Step 4: Simplify right side
   13,046.24x = 72,144,055.83
5. Step 5: Solve for x
   x = 72,144,055.83/13,046.24
6. Step 6: Final answer
   x = 5,529.87