Finding the Fourth Proportional to 1,624.88, 2,435.60 and 758.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.88 : 2,435.60 = 758.48 : x
2. Step 2: Convert to fraction form
   1,624.88/2,435.60 = 758.48/x
3. Step 3: Cross multiply
   1,624.88x = 2,435.60 × 758.48
4. Step 4: Simplify right side
   1,624.88x = 1,847,353.89
5. Step 5: Solve for x
   x = 1,847,353.89/1,624.88
6. Step 6: Final answer
   x = 1,136.92