Finding the Fourth Proportional to 2,380.17, 3,570.84 and 994.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.17 : 3,570.84 = 994.56 : x
2. Step 2: Convert to fraction form
   2,380.17/3,570.84 = 994.56/x
3. Step 3: Cross multiply
   2,380.17x = 3,570.84 × 994.56
4. Step 4: Simplify right side
   2,380.17x = 3,551,414.63
5. Step 5: Solve for x
   x = 3,551,414.63/2,380.17
6. Step 6: Final answer
   x = 1,492.08