Finding the Fourth Proportional to 13,501.58, 18,632.15 and 7,533.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,501.58 : 18,632.15 = 7,533.20 : x
2. Step 2: Convert to fraction form
   13,501.58/18,632.15 = 7,533.20/x
3. Step 3: Cross multiply
   13,501.58x = 18,632.15 × 7,533.20
4. Step 4: Simplify right side
   13,501.58x = 140,359,581.55
5. Step 5: Solve for x
   x = 140,359,581.55/13,501.58
6. Step 6: Final answer
   x = 10,395.79