Finding the Fourth Proportional to 2,837.18, 4,256.00 and 988.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,837.18 : 4,256.00 = 988.25 : x
2. Step 2: Convert to fraction form
   2,837.18/4,256.00 = 988.25/x
3. Step 3: Cross multiply
   2,837.18x = 4,256.00 × 988.25
4. Step 4: Simplify right side
   2,837.18x = 4,205,965.78
5. Step 5: Solve for x
   x = 4,205,965.78/2,837.18
6. Step 6: Final answer
   x = 1,482.45