Finding the Fourth Proportional to 9,012.18, 13,519.72 and 3,818.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.18 : 13,519.72 = 3,818.82 : x
2. Step 2: Convert to fraction form
   9,012.18/13,519.72 = 3,818.82/x
3. Step 3: Cross multiply
   9,012.18x = 13,519.72 × 3,818.82
4. Step 4: Simplify right side
   9,012.18x = 51,629,377.13
5. Step 5: Solve for x
   x = 51,629,377.13/9,012.18
6. Step 6: Final answer
   x = 5,728.84