Finding the Fourth Proportional to 10,610.60, 14,632.84 and 7,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,610.60 : 14,632.84 = 7,212.72 : x
2. Step 2: Convert to fraction form
   10,610.60/14,632.84 = 7,212.72/x
3. Step 3: Cross multiply
   10,610.60x = 14,632.84 × 7,212.72
4. Step 4: Simplify right side
   10,610.60x = 105,542,577.72
5. Step 5: Solve for x
   x = 105,542,577.72/10,610.60
6. Step 6: Final answer
   x = 9,946.90