Finding the Fourth Proportional to 2,507.24, 3,761.30 and 1,120.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.24 : 3,761.30 = 1,120.57 : x
2. Step 2: Convert to fraction form
   2,507.24/3,761.30 = 1,120.57/x
3. Step 3: Cross multiply
   2,507.24x = 3,761.30 × 1,120.57
4. Step 4: Simplify right side
   2,507.24x = 4,214,793.34
5. Step 5: Solve for x
   x = 4,214,793.34/2,507.24
6. Step 6: Final answer
   x = 1,681.05