Finding the Fourth Proportional to 1,624.30, 2,435.83 and 758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.30 : 2,435.83 = 758 : x
2. Step 2: Convert to fraction form
   1,624.30/2,435.83 = 758/x
3. Step 3: Cross multiply
   1,624.30x = 2,435.83 × 758
4. Step 4: Simplify right side
   1,624.30x = 1,846,359.14
5. Step 5: Solve for x
   x = 1,846,359.14/1,624.30
6. Step 6: Final answer
   x = 1,136.71