Finding the Fourth Proportional to 2,471.55, 3,707.98 and 1,011.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.55 : 3,707.98 = 1,011.72 : x
2. Step 2: Convert to fraction form
   2,471.55/3,707.98 = 1,011.72/x
3. Step 3: Cross multiply
   2,471.55x = 3,707.98 × 1,011.72
4. Step 4: Simplify right side
   2,471.55x = 3,751,448.90
5. Step 5: Solve for x
   x = 3,751,448.90/2,471.55
6. Step 6: Final answer
   x = 1,517.86