Finding the Fourth Proportional to 1,866.72, 2,575.68 and 1,169.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866.72 : 2,575.68 = 1,169.04 : x
2. Step 2: Convert to fraction form
   1,866.72/2,575.68 = 1,169.04/x
3. Step 3: Cross multiply
   1,866.72x = 2,575.68 × 1,169.04
4. Step 4: Simplify right side
   1,866.72x = 3,011,072.95
5. Step 5: Solve for x
   x = 3,011,072.95/1,866.72
6. Step 6: Final answer
   x = 1,613.03