Finding the Fourth Proportional to 2,554.16, 3,830.43 and 994.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.16 : 3,830.43 = 994.06 : x
2. Step 2: Convert to fraction form
   2,554.16/3,830.43 = 994.06/x
3. Step 3: Cross multiply
   2,554.16x = 3,830.43 × 994.06
4. Step 4: Simplify right side
   2,554.16x = 3,807,677.25
5. Step 5: Solve for x
   x = 3,807,677.25/2,554.16
6. Step 6: Final answer
   x = 1,490.77