Finding the Fourth Proportional to 1,757.39, 2,635.43 and 782.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.39 : 2,635.43 = 782.82 : x
2. Step 2: Convert to fraction form
   1,757.39/2,635.43 = 782.82/x
3. Step 3: Cross multiply
   1,757.39x = 2,635.43 × 782.82
4. Step 4: Simplify right side
   1,757.39x = 2,063,063.40
5. Step 5: Solve for x
   x = 2,063,063.40/1,757.39
6. Step 6: Final answer
   x = 1,173.94