Finding the Fourth Proportional to 1,758.39, 2,425.52 and 1,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.39 : 2,425.52 = 1,128.69 : x
2. Step 2: Convert to fraction form
   1,758.39/2,425.52 = 1,128.69/x
3. Step 3: Cross multiply
   1,758.39x = 2,425.52 × 1,128.69
4. Step 4: Simplify right side
   1,758.39x = 2,737,654.53
5. Step 5: Solve for x
   x = 2,737,654.53/1,758.39
6. Step 6: Final answer
   x = 1,556.91