Finding the Fourth Proportional to 3,777.31, 5,667.53 and 3,005.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.31 : 5,667.53 = 3,005.47 : x
2. Step 2: Convert to fraction form
   3,777.31/5,667.53 = 3,005.47/x
3. Step 3: Cross multiply
   3,777.31x = 5,667.53 × 3,005.47
4. Step 4: Simplify right side
   3,777.31x = 17,033,591.39
5. Step 5: Solve for x
   x = 17,033,591.39/3,777.31
6. Step 6: Final answer
   x = 4,509.45