Finding the Fourth Proportional to 1,785.52, 2,463.98 and 999.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785.52 : 2,463.98 = 999.59 : x
2. Step 2: Convert to fraction form
   1,785.52/2,463.98 = 999.59/x
3. Step 3: Cross multiply
   1,785.52x = 2,463.98 × 999.59
4. Step 4: Simplify right side
   1,785.52x = 2,462,952.45
5. Step 5: Solve for x
   x = 2,462,952.45/1,785.52
6. Step 6: Final answer
   x = 1,379.41