Finding the Fourth Proportional to 2,495.76, 3,743.73 and 852.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.76 : 3,743.73 = 852.31 : x
2. Step 2: Convert to fraction form
   2,495.76/3,743.73 = 852.31/x
3. Step 3: Cross multiply
   2,495.76x = 3,743.73 × 852.31
4. Step 4: Simplify right side
   2,495.76x = 3,190,818.52
5. Step 5: Solve for x
   x = 3,190,818.52/2,495.76
6. Step 6: Final answer
   x = 1,278.50