Finding the Fourth Proportional to 2,251.62, 3,377.31 and 712.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.62 : 3,377.31 = 712.50 : x
2. Step 2: Convert to fraction form
   2,251.62/3,377.31 = 712.50/x
3. Step 3: Cross multiply
   2,251.62x = 3,377.31 × 712.50
4. Step 4: Simplify right side
   2,251.62x = 2,406,333.38
5. Step 5: Solve for x
   x = 2,406,333.38/2,251.62
6. Step 6: Final answer
   x = 1,068.71