Finding the Fourth Proportional to 3,460.72, 5,191.38 and 995.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.72 : 5,191.38 = 995.74 : x
2. Step 2: Convert to fraction form
   3,460.72/5,191.38 = 995.74/x
3. Step 3: Cross multiply
   3,460.72x = 5,191.38 × 995.74
4. Step 4: Simplify right side
   3,460.72x = 5,169,264.72
5. Step 5: Solve for x
   x = 5,169,264.72/3,460.72
6. Step 6: Final answer
   x = 1,493.70