Finding the Fourth Proportional to 3,061.75, 4,589.91 and 1,113.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.75 : 4,589.91 = 1,113.52 : x
2. Step 2: Convert to fraction form
   3,061.75/4,589.91 = 1,113.52/x
3. Step 3: Cross multiply
   3,061.75x = 4,589.91 × 1,113.52
4. Step 4: Simplify right side
   3,061.75x = 5,110,956.58
5. Step 5: Solve for x
   x = 5,110,956.58/3,061.75
6. Step 6: Final answer
   x = 1,669.29