Finding the Fourth Proportional to 10,391.12, 14,334.76 and 7,554.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.12 : 14,334.76 = 7,554.09 : x
2. Step 2: Convert to fraction form
   10,391.12/14,334.76 = 7,554.09/x
3. Step 3: Cross multiply
   10,391.12x = 14,334.76 × 7,554.09
4. Step 4: Simplify right side
   10,391.12x = 108,286,029.40
5. Step 5: Solve for x
   x = 108,286,029.40/10,391.12
6. Step 6: Final answer
   x = 10,421.02