Finding the Fourth Proportional to 5,074.72, 7,612.56 and 1,996

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074.72 : 7,612.56 = 1,996 : x
2. Step 2: Convert to fraction form
   5,074.72/7,612.56 = 1,996/x
3. Step 3: Cross multiply
   5,074.72x = 7,612.56 × 1,996
4. Step 4: Simplify right side
   5,074.72x = 15,194,669.76
5. Step 5: Solve for x
   x = 15,194,669.76/5,074.72
6. Step 6: Final answer
   x = 2,994.19