Finding the Fourth Proportional to 10,391.04, 14,339.79 and 7,371.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.04 : 14,339.79 = 7,371.45 : x
2. Step 2: Convert to fraction form
   10,391.04/14,339.79 = 7,371.45/x
3. Step 3: Cross multiply
   10,391.04x = 14,339.79 × 7,371.45
4. Step 4: Simplify right side
   10,391.04x = 105,705,045.00
5. Step 5: Solve for x
   x = 105,705,045.00/10,391.04
6. Step 6: Final answer
   x = 10,172.71