Finding the Fourth Proportional to 3,185.82, 4,779.15 and 994.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,185.82 : 4,779.15 = 994.77 : x
2. Step 2: Convert to fraction form
   3,185.82/4,779.15 = 994.77/x
3. Step 3: Cross multiply
   3,185.82x = 4,779.15 × 994.77
4. Step 4: Simplify right side
   3,185.82x = 4,754,131.15
5. Step 5: Solve for x
   x = 4,754,131.15/3,185.82
6. Step 6: Final answer
   x = 1,492.28