Finding the Fourth Proportional to 2,730.18, 4,092.72 and 997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.18 : 4,092.72 = 997.50 : x
2. Step 2: Convert to fraction form
   2,730.18/4,092.72 = 997.50/x
3. Step 3: Cross multiply
   2,730.18x = 4,092.72 × 997.50
4. Step 4: Simplify right side
   2,730.18x = 4,082,488.20
5. Step 5: Solve for x
   x = 4,082,488.20/2,730.18
6. Step 6: Final answer
   x = 1,495.32