Finding the Fourth Proportional to 1,759.67, 2,426.69 and 1,312.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759.67 : 2,426.69 = 1,312.53 : x
2. Step 2: Convert to fraction form
   1,759.67/2,426.69 = 1,312.53/x
3. Step 3: Cross multiply
   1,759.67x = 2,426.69 × 1,312.53
4. Step 4: Simplify right side
   1,759.67x = 3,185,090.80
5. Step 5: Solve for x
   x = 3,185,090.80/1,759.67
6. Step 6: Final answer
   x = 1,810.05