Finding the Fourth Proportional to 1,784.58, 2,675.95 and 1,091.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.58 : 2,675.95 = 1,091.42 : x
2. Step 2: Convert to fraction form
   1,784.58/2,675.95 = 1,091.42/x
3. Step 3: Cross multiply
   1,784.58x = 2,675.95 × 1,091.42
4. Step 4: Simplify right side
   1,784.58x = 2,920,566.51
5. Step 5: Solve for x
   x = 2,920,566.51/1,784.58
6. Step 6: Final answer
   x = 1,636.56