Finding the Fourth Proportional to 9,053.44, 13,576.83 and 3,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.44 : 13,576.83 = 3,128.82 : x
2. Step 2: Convert to fraction form
   9,053.44/13,576.83 = 3,128.82/x
3. Step 3: Cross multiply
   9,053.44x = 13,576.83 × 3,128.82
4. Step 4: Simplify right side
   9,053.44x = 42,479,457.24
5. Step 5: Solve for x
   x = 42,479,457.24/9,053.44
6. Step 6: Final answer
   x = 4,692.08