Finding the Fourth Proportional to 1,837.50, 2,535.68 and 998.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.50 : 2,535.68 = 998.18 : x
2. Step 2: Convert to fraction form
   1,837.50/2,535.68 = 998.18/x
3. Step 3: Cross multiply
   1,837.50x = 2,535.68 × 998.18
4. Step 4: Simplify right side
   1,837.50x = 2,531,067.56
5. Step 5: Solve for x
   x = 2,531,067.56/1,837.50
6. Step 6: Final answer
   x = 1,377.46