Finding the Fourth Proportional to 1,854.37, 2,559.16 and 1,191.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.37 : 2,559.16 = 1,191.43 : x
2. Step 2: Convert to fraction form
   1,854.37/2,559.16 = 1,191.43/x
3. Step 3: Cross multiply
   1,854.37x = 2,559.16 × 1,191.43
4. Step 4: Simplify right side
   1,854.37x = 3,049,064.69
5. Step 5: Solve for x
   x = 3,049,064.69/1,854.37
6. Step 6: Final answer
   x = 1,644.26