Finding the Fourth Proportional to 9,112.96, 13,673.72 and 4,728.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.96 : 13,673.72 = 4,728.04 : x
2. Step 2: Convert to fraction form
   9,112.96/13,673.72 = 4,728.04/x
3. Step 3: Cross multiply
   9,112.96x = 13,673.72 × 4,728.04
4. Step 4: Simplify right side
   9,112.96x = 64,649,895.11
5. Step 5: Solve for x
   x = 64,649,895.11/9,112.96
6. Step 6: Final answer
   x = 7,094.28