Finding the Fourth Proportional to 1,826.25, 2,520.23 and 998.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.25 : 2,520.23 = 998.25 : x
2. Step 2: Convert to fraction form
   1,826.25/2,520.23 = 998.25/x
3. Step 3: Cross multiply
   1,826.25x = 2,520.23 × 998.25
4. Step 4: Simplify right side
   1,826.25x = 2,515,814.61
5. Step 5: Solve for x
   x = 2,515,814.61/1,826.25
6. Step 6: Final answer
   x = 1,377.59