Finding the Fourth Proportional to 1,087.62, 1,501.59 and 755.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.62 : 1,501.59 = 755.92 : x
2. Step 2: Convert to fraction form
   1,087.62/1,501.59 = 755.92/x
3. Step 3: Cross multiply
   1,087.62x = 1,501.59 × 755.92
4. Step 4: Simplify right side
   1,087.62x = 1,135,081.91
5. Step 5: Solve for x
   x = 1,135,081.91/1,087.62
6. Step 6: Final answer
   x = 1,043.64