Finding the Fourth Proportional to 1,759.38, 2,426.82 and 1,385.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759.38 : 2,426.82 = 1,385.76 : x
2. Step 2: Convert to fraction form
   1,759.38/2,426.82 = 1,385.76/x
3. Step 3: Cross multiply
   1,759.38x = 2,426.82 × 1,385.76
4. Step 4: Simplify right side
   1,759.38x = 3,362,990.08
5. Step 5: Solve for x
   x = 3,362,990.08/1,759.38
6. Step 6: Final answer
   x = 1,911.46