Finding the Fourth Proportional to 2,011.72, 3,019.02 and 1,037.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.72 : 3,019.02 = 1,037.56 : x
2. Step 2: Convert to fraction form
   2,011.72/3,019.02 = 1,037.56/x
3. Step 3: Cross multiply
   2,011.72x = 3,019.02 × 1,037.56
4. Step 4: Simplify right side
   2,011.72x = 3,132,414.39
5. Step 5: Solve for x
   x = 3,132,414.39/2,011.72
6. Step 6: Final answer
   x = 1,557.08