Finding the Fourth Proportional to 13,016.52, 19,526.10 and 3,656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.52 : 19,526.10 = 3,656.56 : x
2. Step 2: Convert to fraction form
   13,016.52/19,526.10 = 3,656.56/x
3. Step 3: Cross multiply
   13,016.52x = 19,526.10 × 3,656.56
4. Step 4: Simplify right side
   13,016.52x = 71,398,356.22
5. Step 5: Solve for x
   x = 71,398,356.22/13,016.52
6. Step 6: Final answer
   x = 5,485.21