Finding the Fourth Proportional to 2,002.20, 2,997.63 and 1,269.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.20 : 2,997.63 = 1,269.96 : x
2. Step 2: Convert to fraction form
   2,002.20/2,997.63 = 1,269.96/x
3. Step 3: Cross multiply
   2,002.20x = 2,997.63 × 1,269.96
4. Step 4: Simplify right side
   2,002.20x = 3,806,870.19
5. Step 5: Solve for x
   x = 3,806,870.19/2,002.20
6. Step 6: Final answer
   x = 1,901.34