Finding the Fourth Proportional to 1,667.89, 2,501.87 and 936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.89 : 2,501.87 = 936.88 : x
2. Step 2: Convert to fraction form
   1,667.89/2,501.87 = 936.88/x
3. Step 3: Cross multiply
   1,667.89x = 2,501.87 × 936.88
4. Step 4: Simplify right side
   1,667.89x = 2,343,951.97
5. Step 5: Solve for x
   x = 2,343,951.97/1,667.89
6. Step 6: Final answer
   x = 1,405.34