Finding the Fourth Proportional to 13,783.55, 19,016.57 and 9,533.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,783.55 : 19,016.57 = 9,533.03 : x
2. Step 2: Convert to fraction form
   13,783.55/19,016.57 = 9,533.03/x
3. Step 3: Cross multiply
   13,783.55x = 19,016.57 × 9,533.03
4. Step 4: Simplify right side
   13,783.55x = 181,285,389.56
5. Step 5: Solve for x
   x = 181,285,389.56/13,783.55
6. Step 6: Final answer
   x = 13,152.31