Finding the Fourth Proportional to 10,630.14, 14,689.82 and 7,972.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,630.14 : 14,689.82 = 7,972.93 : x
2. Step 2: Convert to fraction form
   10,630.14/14,689.82 = 7,972.93/x
3. Step 3: Cross multiply
   10,630.14x = 14,689.82 × 7,972.93
4. Step 4: Simplify right side
   10,630.14x = 117,120,906.57
5. Step 5: Solve for x
   x = 117,120,906.57/10,630.14
6. Step 6: Final answer
   x = 11,017.81