Finding the Fourth Proportional to 3,460.32, 5,189.40 and 995.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.32 : 5,189.40 = 995.31 : x
2. Step 2: Convert to fraction form
   3,460.32/5,189.40 = 995.31/x
3. Step 3: Cross multiply
   3,460.32x = 5,189.40 × 995.31
4. Step 4: Simplify right side
   3,460.32x = 5,165,061.71
5. Step 5: Solve for x
   x = 5,165,061.71/3,460.32
6. Step 6: Final answer
   x = 1,492.65