Finding the Fourth Proportional to 10,378.18, 14,304.82 and 7,354.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,378.18 : 14,304.82 = 7,354.31 : x
2. Step 2: Convert to fraction form
   10,378.18/14,304.82 = 7,354.31/x
3. Step 3: Cross multiply
   10,378.18x = 14,304.82 × 7,354.31
4. Step 4: Simplify right side
   10,378.18x = 105,202,044.00
5. Step 5: Solve for x
   x = 105,202,044.00/10,378.18
6. Step 6: Final answer
   x = 10,136.85