Finding the Fourth Proportional to 5,118.89, 7,669.02 and 3,555.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,118.89 : 7,669.02 = 3,555.59 : x
2. Step 2: Convert to fraction form
   5,118.89/7,669.02 = 3,555.59/x
3. Step 3: Cross multiply
   5,118.89x = 7,669.02 × 3,555.59
4. Step 4: Simplify right side
   5,118.89x = 27,267,890.82
5. Step 5: Solve for x
   x = 27,267,890.82/5,118.89
6. Step 6: Final answer
   x = 5,326.91