Finding the Fourth Proportional to 3,842.48, 5,766.87 and 1,994.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.48 : 5,766.87 = 1,994.15 : x
2. Step 2: Convert to fraction form
   3,842.48/5,766.87 = 1,994.15/x
3. Step 3: Cross multiply
   3,842.48x = 5,766.87 × 1,994.15
4. Step 4: Simplify right side
   3,842.48x = 11,500,003.81
5. Step 5: Solve for x
   x = 11,500,003.81/3,842.48
6. Step 6: Final answer
   x = 2,992.86