Finding the Fourth Proportional to 3,851.86, 5,315.55 and 2,083.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.86 : 5,315.55 = 2,083.47 : x
2. Step 2: Convert to fraction form
   3,851.86/5,315.55 = 2,083.47/x
3. Step 3: Cross multiply
   3,851.86x = 5,315.55 × 2,083.47
4. Step 4: Simplify right side
   3,851.86x = 11,074,788.96
5. Step 5: Solve for x
   x = 11,074,788.96/3,851.86
6. Step 6: Final answer
   x = 2,875.18