Finding the Fourth Proportional to 1,215.93, 1,825.49 and 957.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215.93 : 1,825.49 = 957.59 : x
2. Step 2: Convert to fraction form
   1,215.93/1,825.49 = 957.59/x
3. Step 3: Cross multiply
   1,215.93x = 1,825.49 × 957.59
4. Step 4: Simplify right side
   1,215.93x = 1,748,065.69
5. Step 5: Solve for x
   x = 1,748,065.69/1,215.93
6. Step 6: Final answer
   x = 1,437.64