Finding the Fourth Proportional to 13,100.41, 18,079.20 and 7,723.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.41 : 18,079.20 = 7,723.02 : x
2. Step 2: Convert to fraction form
   13,100.41/18,079.20 = 7,723.02/x
3. Step 3: Cross multiply
   13,100.41x = 18,079.20 × 7,723.02
4. Step 4: Simplify right side
   13,100.41x = 139,625,989.29
5. Step 5: Solve for x
   x = 139,625,989.29/13,100.41
6. Step 6: Final answer
   x = 10,658.14