Finding the Fourth Proportional to 9,269.06, 12,791.36 and 5,077.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.06 : 12,791.36 = 5,077.31 : x
2. Step 2: Convert to fraction form
   9,269.06/12,791.36 = 5,077.31/x
3. Step 3: Cross multiply
   9,269.06x = 12,791.36 × 5,077.31
4. Step 4: Simplify right side
   9,269.06x = 64,945,706.63
5. Step 5: Solve for x
   x = 64,945,706.63/9,269.06
6. Step 6: Final answer
   x = 7,006.72