Finding the Fourth Proportional to 2,169.93, 2,994.31 and 1,285.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.93 : 2,994.31 = 1,285.59 : x
2. Step 2: Convert to fraction form
   2,169.93/2,994.31 = 1,285.59/x
3. Step 3: Cross multiply
   2,169.93x = 2,994.31 × 1,285.59
4. Step 4: Simplify right side
   2,169.93x = 3,849,454.99
5. Step 5: Solve for x
   x = 3,849,454.99/2,169.93
6. Step 6: Final answer
   x = 1,774.00