Finding the Fourth Proportional to 9,012.17, 12,436.76 and 5,033.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.17 : 12,436.76 = 5,033.28 : x
2. Step 2: Convert to fraction form
   9,012.17/12,436.76 = 5,033.28/x
3. Step 3: Cross multiply
   9,012.17x = 12,436.76 × 5,033.28
4. Step 4: Simplify right side
   9,012.17x = 62,597,707.96
5. Step 5: Solve for x
   x = 62,597,707.96/9,012.17
6. Step 6: Final answer
   x = 6,945.91