Finding the Fourth Proportional to 1,535.89, 2,303.61 and 755.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.89 : 2,303.61 = 755.69 : x
2. Step 2: Convert to fraction form
   1,535.89/2,303.61 = 755.69/x
3. Step 3: Cross multiply
   1,535.89x = 2,303.61 × 755.69
4. Step 4: Simplify right side
   1,535.89x = 1,740,803.52
5. Step 5: Solve for x
   x = 1,740,803.52/1,535.89
6. Step 6: Final answer
   x = 1,133.42