Finding the Fourth Proportional to 1,951.25, 2,926.17 and 781.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.25 : 2,926.17 = 781.52 : x
2. Step 2: Convert to fraction form
   1,951.25/2,926.17 = 781.52/x
3. Step 3: Cross multiply
   1,951.25x = 2,926.17 × 781.52
4. Step 4: Simplify right side
   1,951.25x = 2,286,845.75
5. Step 5: Solve for x
   x = 2,286,845.75/1,951.25
6. Step 6: Final answer
   x = 1,171.99