Finding the Fourth Proportional to 2,513.86, 3,765.76 and 1,994.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.86 : 3,765.76 = 1,994.74 : x
2. Step 2: Convert to fraction form
   2,513.86/3,765.76 = 1,994.74/x
3. Step 3: Cross multiply
   2,513.86x = 3,765.76 × 1,994.74
4. Step 4: Simplify right side
   2,513.86x = 7,511,712.10
5. Step 5: Solve for x
   x = 7,511,712.10/2,513.86
6. Step 6: Final answer
   x = 2,988.12