Finding the Fourth Proportional to 3,672.72, 5,068.40 and 1,994.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.72 : 5,068.40 = 1,994.15 : x
2. Step 2: Convert to fraction form
   3,672.72/5,068.40 = 1,994.15/x
3. Step 3: Cross multiply
   3,672.72x = 5,068.40 × 1,994.15
4. Step 4: Simplify right side
   3,672.72x = 10,107,114.55
5. Step 5: Solve for x
   x = 10,107,114.55/3,672.72
6. Step 6: Final answer
   x = 2,751.94