Finding the Fourth Proportional to 3,788.47, 5,672.57 and 3,570.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,788.47 : 5,672.57 = 3,570.11 : x
2. Step 2: Convert to fraction form
   3,788.47/5,672.57 = 3,570.11/x
3. Step 3: Cross multiply
   3,788.47x = 5,672.57 × 3,570.11
4. Step 4: Simplify right side
   3,788.47x = 20,251,673.94
5. Step 5: Solve for x
   x = 20,251,673.94/3,788.47
6. Step 6: Final answer
   x = 5,345.61