Finding the Fourth Proportional to 3,460.17, 5,189.69 and 994.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.17 : 5,189.69 = 994.43 : x
2. Step 2: Convert to fraction form
   3,460.17/5,189.69 = 994.43/x
3. Step 3: Cross multiply
   3,460.17x = 5,189.69 × 994.43
4. Step 4: Simplify right side
   3,460.17x = 5,160,783.43
5. Step 5: Solve for x
   x = 5,160,783.43/3,460.17
6. Step 6: Final answer
   x = 1,491.48