Finding the Fourth Proportional to 13,099.67, 18,074.75 and 7,793.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,099.67 : 18,074.75 = 7,793.45 : x
2. Step 2: Convert to fraction form
   13,099.67/18,074.75 = 7,793.45/x
3. Step 3: Cross multiply
   13,099.67x = 18,074.75 × 7,793.45
4. Step 4: Simplify right side
   13,099.67x = 140,864,666.61
5. Step 5: Solve for x
   x = 140,864,666.61/13,099.67
6. Step 6: Final answer
   x = 10,753.30