Finding the Fourth Proportional to 1,149.57, 1,715.46 and 1,026.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,149.57 : 1,715.46 = 1,026.51 : x
2. Step 2: Convert to fraction form
   1,149.57/1,715.46 = 1,026.51/x
3. Step 3: Cross multiply
   1,149.57x = 1,715.46 × 1,026.51
4. Step 4: Simplify right side
   1,149.57x = 1,760,936.84
5. Step 5: Solve for x
   x = 1,760,936.84/1,149.57
6. Step 6: Final answer
   x = 1,531.82