Finding the Fourth Proportional to 2,655.41, 3,981.57 and 1,012.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.41 : 3,981.57 = 1,012.07 : x
2. Step 2: Convert to fraction form
   2,655.41/3,981.57 = 1,012.07/x
3. Step 3: Cross multiply
   2,655.41x = 3,981.57 × 1,012.07
4. Step 4: Simplify right side
   2,655.41x = 4,029,627.55
5. Step 5: Solve for x
   x = 4,029,627.55/2,655.41
6. Step 6: Final answer
   x = 1,517.52