Finding the Fourth Proportional to 9,114.48, 13,662.12 and 4,727.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,114.48 : 13,662.12 = 4,727.28 : x
2. Step 2: Convert to fraction form
   9,114.48/13,662.12 = 4,727.28/x
3. Step 3: Cross multiply
   9,114.48x = 13,662.12 × 4,727.28
4. Step 4: Simplify right side
   9,114.48x = 64,584,666.63
5. Step 5: Solve for x
   x = 64,584,666.63/9,114.48
6. Step 6: Final answer
   x = 7,085.94