Finding the Fourth Proportional to 10,387.96, 14,335.30 and 5,672.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,387.96 : 14,335.30 = 5,672.24 : x
2. Step 2: Convert to fraction form
   10,387.96/14,335.30 = 5,672.24/x
3. Step 3: Cross multiply
   10,387.96x = 14,335.30 × 5,672.24
4. Step 4: Simplify right side
   10,387.96x = 81,313,262.07
5. Step 5: Solve for x
   x = 81,313,262.07/10,387.96
6. Step 6: Final answer
   x = 7,827.64