Finding the Fourth Proportional to 1,777.92, 2,667.58 and 955.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.92 : 2,667.58 = 955.96 : x
2. Step 2: Convert to fraction form
   1,777.92/2,667.58 = 955.96/x
3. Step 3: Cross multiply
   1,777.92x = 2,667.58 × 955.96
4. Step 4: Simplify right side
   1,777.92x = 2,550,099.78
5. Step 5: Solve for x
   x = 2,550,099.78/1,777.92
6. Step 6: Final answer
   x = 1,434.32