Finding the Fourth Proportional to 2,061.12, 3,089.76 and 1,512.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.12 : 3,089.76 = 1,512.60 : x
2. Step 2: Convert to fraction form
   2,061.12/3,089.76 = 1,512.60/x
3. Step 3: Cross multiply
   2,061.12x = 3,089.76 × 1,512.60
4. Step 4: Simplify right side
   2,061.12x = 4,673,570.98
5. Step 5: Solve for x
   x = 4,673,570.98/2,061.12
6. Step 6: Final answer
   x = 2,267.49