Finding the Fourth Proportional to 10,647.72, 14,695.16 and 6,112.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.72 : 14,695.16 = 6,112.08 : x
2. Step 2: Convert to fraction form
   10,647.72/14,695.16 = 6,112.08/x
3. Step 3: Cross multiply
   10,647.72x = 14,695.16 × 6,112.08
4. Step 4: Simplify right side
   10,647.72x = 89,817,993.53
5. Step 5: Solve for x
   x = 89,817,993.53/10,647.72
6. Step 6: Final answer
   x = 8,435.42