Finding the Fourth Proportional to 4,003.82, 5,528.01 and 3,168.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003.82 : 5,528.01 = 3,168.61 : x
2. Step 2: Convert to fraction form
   4,003.82/5,528.01 = 3,168.61/x
3. Step 3: Cross multiply
   4,003.82x = 5,528.01 × 3,168.61
4. Step 4: Simplify right side
   4,003.82x = 17,516,107.77
5. Step 5: Solve for x
   x = 17,516,107.77/4,003.82
6. Step 6: Final answer
   x = 4,374.85