Finding the Fourth Proportional to 1,470.15, 2,028.06 and 997.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.15 : 2,028.06 = 997.47 : x
2. Step 2: Convert to fraction form
   1,470.15/2,028.06 = 997.47/x
3. Step 3: Cross multiply
   1,470.15x = 2,028.06 × 997.47
4. Step 4: Simplify right side
   1,470.15x = 2,022,929.01
5. Step 5: Solve for x
   x = 2,022,929.01/1,470.15
6. Step 6: Final answer
   x = 1,376.00