Finding the Fourth Proportional to 5,553.09, 7,665.03 and 3,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,553.09 : 7,665.03 = 3,874.50 : x
2. Step 2: Convert to fraction form
   5,553.09/7,665.03 = 3,874.50/x
3. Step 3: Cross multiply
   5,553.09x = 7,665.03 × 3,874.50
4. Step 4: Simplify right side
   5,553.09x = 29,698,158.74
5. Step 5: Solve for x
   x = 29,698,158.74/5,553.09
6. Step 6: Final answer
   x = 5,348.04