Finding the Fourth Proportional to 13,501.56, 18,632.58 and 7,533.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,501.56 : 18,632.58 = 7,533.96 : x
2. Step 2: Convert to fraction form
   13,501.56/18,632.58 = 7,533.96/x
3. Step 3: Cross multiply
   13,501.56x = 18,632.58 × 7,533.96
4. Step 4: Simplify right side
   13,501.56x = 140,377,112.42
5. Step 5: Solve for x
   x = 140,377,112.42/13,501.56
6. Step 6: Final answer
   x = 10,397.10