Finding the Fourth Proportional to 1,667.57, 2,501.12 and 1,049.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.57 : 2,501.12 = 1,049.39 : x
2. Step 2: Convert to fraction form
   1,667.57/2,501.12 = 1,049.39/x
3. Step 3: Cross multiply
   1,667.57x = 2,501.12 × 1,049.39
4. Step 4: Simplify right side
   1,667.57x = 2,624,650.32
5. Step 5: Solve for x
   x = 2,624,650.32/1,667.57
6. Step 6: Final answer
   x = 1,573.94