Finding the Fourth Proportional to 1,667.04, 2,501.76 and 1,257.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.04 : 2,501.76 = 1,257.32 : x
2. Step 2: Convert to fraction form
   1,667.04/2,501.76 = 1,257.32/x
3. Step 3: Cross multiply
   1,667.04x = 2,501.76 × 1,257.32
4. Step 4: Simplify right side
   1,667.04x = 3,145,512.88
5. Step 5: Solve for x
   x = 3,145,512.88/1,667.04
6. Step 6: Final answer
   x = 1,886.89