Finding the Fourth Proportional to 1,499.97, 2,069.61 and 902.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.97 : 2,069.61 = 902.30 : x
2. Step 2: Convert to fraction form
   1,499.97/2,069.61 = 902.30/x
3. Step 3: Cross multiply
   1,499.97x = 2,069.61 × 902.30
4. Step 4: Simplify right side
   1,499.97x = 1,867,412.85
5. Step 5: Solve for x
   x = 1,867,412.85/1,499.97
6. Step 6: Final answer
   x = 1,244.97