Finding the Fourth Proportional to 1,404.90, 2,104.79 and 1,185.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.90 : 2,104.79 = 1,185.62 : x
2. Step 2: Convert to fraction form
   1,404.90/2,104.79 = 1,185.62/x
3. Step 3: Cross multiply
   1,404.90x = 2,104.79 × 1,185.62
4. Step 4: Simplify right side
   1,404.90x = 2,495,464.67
5. Step 5: Solve for x
   x = 2,495,464.67/1,404.90
6. Step 6: Final answer
   x = 1,776.26