Finding the Fourth Proportional to 10,728.72, 14,804.64 and 6,012

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.72 : 14,804.64 = 6,012 : x
2. Step 2: Convert to fraction form
   10,728.72/14,804.64 = 6,012/x
3. Step 3: Cross multiply
   10,728.72x = 14,804.64 × 6,012
4. Step 4: Simplify right side
   10,728.72x = 89,005,495.68
5. Step 5: Solve for x
   x = 89,005,495.68/10,728.72
6. Step 6: Final answer
   x = 8,296.00