Finding the Fourth Proportional to 2,472.04, 3,709.58 and 1,011.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.04 : 3,709.58 = 1,011.20 : x
2. Step 2: Convert to fraction form
   2,472.04/3,709.58 = 1,011.20/x
3. Step 3: Cross multiply
   2,472.04x = 3,709.58 × 1,011.20
4. Step 4: Simplify right side
   2,472.04x = 3,751,127.30
5. Step 5: Solve for x
   x = 3,751,127.30/2,472.04
6. Step 6: Final answer
   x = 1,517.42