Finding the Fourth Proportional to 10,653.96, 14,699.88 and 8,007.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,653.96 : 14,699.88 = 8,007.72 : x
2. Step 2: Convert to fraction form
   10,653.96/14,699.88 = 8,007.72/x
3. Step 3: Cross multiply
   10,653.96x = 14,699.88 × 8,007.72
4. Step 4: Simplify right side
   10,653.96x = 117,712,523.07
5. Step 5: Solve for x
   x = 117,712,523.07/10,653.96
6. Step 6: Final answer
   x = 11,048.71