Finding the Fourth Proportional to 2,655.55, 3,981.73 and 1,012.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.55 : 3,981.73 = 1,012.22 : x
2. Step 2: Convert to fraction form
   2,655.55/3,981.73 = 1,012.22/x
3. Step 3: Cross multiply
   2,655.55x = 3,981.73 × 1,012.22
4. Step 4: Simplify right side
   2,655.55x = 4,030,386.74
5. Step 5: Solve for x
   x = 4,030,386.74/2,655.55
6. Step 6: Final answer
   x = 1,517.72