Finding the Fourth Proportional to 3,577.64, 5,368.90 and 3,550.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.64 : 5,368.90 = 3,550.38 : x
2. Step 2: Convert to fraction form
   3,577.64/5,368.90 = 3,550.38/x
3. Step 3: Cross multiply
   3,577.64x = 5,368.90 × 3,550.38
4. Step 4: Simplify right side
   3,577.64x = 19,061,635.18
5. Step 5: Solve for x
   x = 19,061,635.18/3,577.64
6. Step 6: Final answer
   x = 5,327.99