Finding the Fourth Proportional to 3,881.34, 5,823.27 and 3,649.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.34 : 5,823.27 = 3,649.32 : x
2. Step 2: Convert to fraction form
   3,881.34/5,823.27 = 3,649.32/x
3. Step 3: Cross multiply
   3,881.34x = 5,823.27 × 3,649.32
4. Step 4: Simplify right side
   3,881.34x = 21,250,975.68
5. Step 5: Solve for x
   x = 21,250,975.68/3,881.34
6. Step 6: Final answer
   x = 5,475.16