Finding the Fourth Proportional to 3,973.84, 5,941.78 and 3,625.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.84 : 5,941.78 = 3,625.28 : x
2. Step 2: Convert to fraction form
   3,973.84/5,941.78 = 3,625.28/x
3. Step 3: Cross multiply
   3,973.84x = 5,941.78 × 3,625.28
4. Step 4: Simplify right side
   3,973.84x = 21,540,599.71
5. Step 5: Solve for x
   x = 21,540,599.71/3,973.84
6. Step 6: Final answer
   x = 5,420.60