Finding the Fourth Proportional to 1,659.16, 2,289.59 and 951.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.16 : 2,289.59 = 951.12 : x
2. Step 2: Convert to fraction form
   1,659.16/2,289.59 = 951.12/x
3. Step 3: Cross multiply
   1,659.16x = 2,289.59 × 951.12
4. Step 4: Simplify right side
   1,659.16x = 2,177,669.89
5. Step 5: Solve for x
   x = 2,177,669.89/1,659.16
6. Step 6: Final answer
   x = 1,312.51