Finding the Fourth Proportional to 9,256.03, 12,769.68 and 5,477.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256.03 : 12,769.68 = 5,477.81 : x
2. Step 2: Convert to fraction form
   9,256.03/12,769.68 = 5,477.81/x
3. Step 3: Cross multiply
   9,256.03x = 12,769.68 × 5,477.81
4. Step 4: Simplify right side
   9,256.03x = 69,949,912.73
5. Step 5: Solve for x
   x = 69,949,912.73/9,256.03
6. Step 6: Final answer
   x = 7,557.23