Finding the Fourth Proportional to 1,855.34, 2,559.16 and 1,191.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.34 : 2,559.16 = 1,191.14 : x
2. Step 2: Convert to fraction form
   1,855.34/2,559.16 = 1,191.14/x
3. Step 3: Cross multiply
   1,855.34x = 2,559.16 × 1,191.14
4. Step 4: Simplify right side
   1,855.34x = 3,048,317.84
5. Step 5: Solve for x
   x = 3,048,317.84/1,855.34
6. Step 6: Final answer
   x = 1,643.00