Finding the Fourth Proportional to 3,881.39, 5,355.52 and 3,748.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.39 : 5,355.52 = 3,748.04 : x
2. Step 2: Convert to fraction form
   3,881.39/5,355.52 = 3,748.04/x
3. Step 3: Cross multiply
   3,881.39x = 5,355.52 × 3,748.04
4. Step 4: Simplify right side
   3,881.39x = 20,072,703.18
5. Step 5: Solve for x
   x = 20,072,703.18/3,881.39
6. Step 6: Final answer
   x = 5,171.52