Finding the Fourth Proportional to 9,269.54, 12,792.28 and 5,077.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.54 : 12,792.28 = 5,077.79 : x
2. Step 2: Convert to fraction form
   9,269.54/12,792.28 = 5,077.79/x
3. Step 3: Cross multiply
   9,269.54x = 12,792.28 × 5,077.79
4. Step 4: Simplify right side
   9,269.54x = 64,956,434.81
5. Step 5: Solve for x
   x = 64,956,434.81/9,269.54
6. Step 6: Final answer
   x = 7,007.52