Finding the Fourth Proportional to 1,624.89, 2,436.08 and 699.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.89 : 2,436.08 = 699.69 : x
2. Step 2: Convert to fraction form
   1,624.89/2,436.08 = 699.69/x
3. Step 3: Cross multiply
   1,624.89x = 2,436.08 × 699.69
4. Step 4: Simplify right side
   1,624.89x = 1,704,497.32
5. Step 5: Solve for x
   x = 1,704,497.32/1,624.89
6. Step 6: Final answer
   x = 1,048.99