Finding the Fourth Proportional to 2,443.76, 3,665.76 and 712.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.76 : 3,665.76 = 712.52 : x
2. Step 2: Convert to fraction form
   2,443.76/3,665.76 = 712.52/x
3. Step 3: Cross multiply
   2,443.76x = 3,665.76 × 712.52
4. Step 4: Simplify right side
   2,443.76x = 2,611,927.32
5. Step 5: Solve for x
   x = 2,611,927.32/2,443.76
6. Step 6: Final answer
   x = 1,068.81