Finding the Fourth Proportional to 1,759.98, 2,640.17 and 785.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759.98 : 2,640.17 = 785.96 : x
2. Step 2: Convert to fraction form
   1,759.98/2,640.17 = 785.96/x
3. Step 3: Cross multiply
   1,759.98x = 2,640.17 × 785.96
4. Step 4: Simplify right side
   1,759.98x = 2,075,050.88
5. Step 5: Solve for x
   x = 2,075,050.88/1,759.98
6. Step 6: Final answer
   x = 1,179.02