Finding the Fourth Proportional to 10,272.69, 14,151.71 and 9,772.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.69 : 14,151.71 = 9,772.43 : x
2. Step 2: Convert to fraction form
   10,272.69/14,151.71 = 9,772.43/x
3. Step 3: Cross multiply
   10,272.69x = 14,151.71 × 9,772.43
4. Step 4: Simplify right side
   10,272.69x = 138,296,549.03
5. Step 5: Solve for x
   x = 138,296,549.03/10,272.69
6. Step 6: Final answer
   x = 13,462.54