Finding the Fourth Proportional to 3,848.76, 5,765.12 and 3,572.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,848.76 : 5,765.12 = 3,572.02 : x
2. Step 2: Convert to fraction form
   3,848.76/5,765.12 = 3,572.02/x
3. Step 3: Cross multiply
   3,848.76x = 5,765.12 × 3,572.02
4. Step 4: Simplify right side
   3,848.76x = 20,593,123.94
5. Step 5: Solve for x
   x = 20,593,123.94/3,848.76
6. Step 6: Final answer
   x = 5,350.59