Finding the Fourth Proportional to 1,759.89, 2,428.62 and 1,013.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759.89 : 2,428.62 = 1,013.85 : x
2. Step 2: Convert to fraction form
   1,759.89/2,428.62 = 1,013.85/x
3. Step 3: Cross multiply
   1,759.89x = 2,428.62 × 1,013.85
4. Step 4: Simplify right side
   1,759.89x = 2,462,256.39
5. Step 5: Solve for x
   x = 2,462,256.39/1,759.89
6. Step 6: Final answer
   x = 1,399.10