Finding the Fourth Proportional to 10,008.72, 13,803.04 and 8,335.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008.72 : 13,803.04 = 8,335.68 : x
2. Step 2: Convert to fraction form
   10,008.72/13,803.04 = 8,335.68/x
3. Step 3: Cross multiply
   10,008.72x = 13,803.04 × 8,335.68
4. Step 4: Simplify right side
   10,008.72x = 115,057,724.47
5. Step 5: Solve for x
   x = 115,057,724.47/10,008.72
6. Step 6: Final answer
   x = 11,495.75