Finding the Fourth Proportional to 13,101.50, 18,079.88 and 7,796.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.50 : 18,079.88 = 7,796.18 : x
2. Step 2: Convert to fraction form
   13,101.50/18,079.88 = 7,796.18/x
3. Step 3: Cross multiply
   13,101.50x = 18,079.88 × 7,796.18
4. Step 4: Simplify right side
   13,101.50x = 140,953,998.86
5. Step 5: Solve for x
   x = 140,953,998.86/13,101.50
6. Step 6: Final answer
   x = 10,758.62