Finding the Fourth Proportional to 13,499.01, 18,626.40 and 7,530.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.01 : 18,626.40 = 7,530.48 : x
2. Step 2: Convert to fraction form
   13,499.01/18,626.40 = 7,530.48/x
3. Step 3: Cross multiply
   13,499.01x = 18,626.40 × 7,530.48
4. Step 4: Simplify right side
   13,499.01x = 140,265,732.67
5. Step 5: Solve for x
   x = 140,265,732.67/13,499.01
6. Step 6: Final answer
   x = 10,390.82