Finding the Fourth Proportional to 10,630.26, 14,670.72 and 7,972.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,630.26 : 14,670.72 = 7,972.92 : x
2. Step 2: Convert to fraction form
   10,630.26/14,670.72 = 7,972.92/x
3. Step 3: Cross multiply
   10,630.26x = 14,670.72 × 7,972.92
4. Step 4: Simplify right side
   10,630.26x = 116,968,476.90
5. Step 5: Solve for x
   x = 116,968,476.90/10,630.26
6. Step 6: Final answer
   x = 11,003.35