Finding the Fourth Proportional to 3,707.78, 5,560.79 and 1,074.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.78 : 5,560.79 = 1,074.58 : x
2. Step 2: Convert to fraction form
   3,707.78/5,560.79 = 1,074.58/x
3. Step 3: Cross multiply
   3,707.78x = 5,560.79 × 1,074.58
4. Step 4: Simplify right side
   3,707.78x = 5,975,525.72
5. Step 5: Solve for x
   x = 5,975,525.72/3,707.78
6. Step 6: Final answer
   x = 1,611.62