Finding the Fourth Proportional to 1,470.18, 2,028.33 and 902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.18 : 2,028.33 = 902.82 : x
2. Step 2: Convert to fraction form
   1,470.18/2,028.33 = 902.82/x
3. Step 3: Cross multiply
   1,470.18x = 2,028.33 × 902.82
4. Step 4: Simplify right side
   1,470.18x = 1,831,216.89
5. Step 5: Solve for x
   x = 1,831,216.89/1,470.18
6. Step 6: Final answer
   x = 1,245.57