Finding the Fourth Proportional to 1,317.98, 1,975.62 and 951.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.98 : 1,975.62 = 951.86 : x
2. Step 2: Convert to fraction form
   1,317.98/1,975.62 = 951.86/x
3. Step 3: Cross multiply
   1,317.98x = 1,975.62 × 951.86
4. Step 4: Simplify right side
   1,317.98x = 1,880,513.65
5. Step 5: Solve for x
   x = 1,880,513.65/1,317.98
6. Step 6: Final answer
   x = 1,426.82