Finding the Fourth Proportional to 10,663.54, 14,721.71 and 7,395.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,663.54 : 14,721.71 = 7,395.19 : x
2. Step 2: Convert to fraction form
   10,663.54/14,721.71 = 7,395.19/x
3. Step 3: Cross multiply
   10,663.54x = 14,721.71 × 7,395.19
4. Step 4: Simplify right side
   10,663.54x = 108,869,842.57
5. Step 5: Solve for x
   x = 108,869,842.57/10,663.54
6. Step 6: Final answer
   x = 10,209.54