Finding the Fourth Proportional to 1,769.80, 2,653.98 and 1,422.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.80 : 2,653.98 = 1,422.04 : x
2. Step 2: Convert to fraction form
   1,769.80/2,653.98 = 1,422.04/x
3. Step 3: Cross multiply
   1,769.80x = 2,653.98 × 1,422.04
4. Step 4: Simplify right side
   1,769.80x = 3,774,065.72
5. Step 5: Solve for x
   x = 3,774,065.72/1,769.80
6. Step 6: Final answer
   x = 2,132.48