Finding the Fourth Proportional to 1,148.31, 1,719.71 and 951.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.31 : 1,719.71 = 951.86 : x
2. Step 2: Convert to fraction form
   1,148.31/1,719.71 = 951.86/x
3. Step 3: Cross multiply
   1,148.31x = 1,719.71 × 951.86
4. Step 4: Simplify right side
   1,148.31x = 1,636,909.80
5. Step 5: Solve for x
   x = 1,636,909.80/1,148.31
6. Step 6: Final answer
   x = 1,425.49