Finding the Fourth Proportional to 3,672.80, 5,068.46 and 1,994.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.80 : 5,068.46 = 1,994.20 : x
2. Step 2: Convert to fraction form
   3,672.80/5,068.46 = 1,994.20/x
3. Step 3: Cross multiply
   3,672.80x = 5,068.46 × 1,994.20
4. Step 4: Simplify right side
   3,672.80x = 10,107,522.93
5. Step 5: Solve for x
   x = 10,107,522.93/3,672.80
6. Step 6: Final answer
   x = 2,751.99