Finding the Fourth Proportional to 13,099.24, 18,075.54 and 7,793.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,099.24 : 18,075.54 = 7,793.20 : x
2. Step 2: Convert to fraction form
   13,099.24/18,075.54 = 7,793.20/x
3. Step 3: Cross multiply
   13,099.24x = 18,075.54 × 7,793.20
4. Step 4: Simplify right side
   13,099.24x = 140,866,298.33
5. Step 5: Solve for x
   x = 140,866,298.33/13,099.24
6. Step 6: Final answer
   x = 10,753.78