Finding the Fourth Proportional to 2,752.37, 4,127.18 and 997.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.37 : 4,127.18 = 997.30 : x
2. Step 2: Convert to fraction form
   2,752.37/4,127.18 = 997.30/x
3. Step 3: Cross multiply
   2,752.37x = 4,127.18 × 997.30
4. Step 4: Simplify right side
   2,752.37x = 4,116,036.61
5. Step 5: Solve for x
   x = 4,116,036.61/2,752.37
6. Step 6: Final answer
   x = 1,495.45