Finding the Fourth Proportional to 3,788.86, 5,671.32 and 2,140.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,788.86 : 5,671.32 = 2,140.52 : x
2. Step 2: Convert to fraction form
   3,788.86/5,671.32 = 2,140.52/x
3. Step 3: Cross multiply
   3,788.86x = 5,671.32 × 2,140.52
4. Step 4: Simplify right side
   3,788.86x = 12,139,573.89
5. Step 5: Solve for x
   x = 12,139,573.89/3,788.86
6. Step 6: Final answer
   x = 3,204.02