Finding the Fourth Proportional to 10,618.58, 15,916.89 and 3,596.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.58 : 15,916.89 = 3,596.27 : x
2. Step 2: Convert to fraction form
   10,618.58/15,916.89 = 3,596.27/x
3. Step 3: Cross multiply
   10,618.58x = 15,916.89 × 3,596.27
4. Step 4: Simplify right side
   10,618.58x = 57,241,434.00
5. Step 5: Solve for x
   x = 57,241,434.00/10,618.58
6. Step 6: Final answer
   x = 5,390.69