Finding the Fourth Proportional to 13,719.37, 18,933.12 and 7,751.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,719.37 : 18,933.12 = 7,751.29 : x
2. Step 2: Convert to fraction form
   13,719.37/18,933.12 = 7,751.29/x
3. Step 3: Cross multiply
   13,719.37x = 18,933.12 × 7,751.29
4. Step 4: Simplify right side
   13,719.37x = 146,756,103.72
5. Step 5: Solve for x
   x = 146,756,103.72/13,719.37
6. Step 6: Final answer
   x = 10,697.00