Finding the Fourth Proportional to 1,854.88, 2,559.72 and 1,069.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.88 : 2,559.72 = 1,069.08 : x
2. Step 2: Convert to fraction form
   1,854.88/2,559.72 = 1,069.08/x
3. Step 3: Cross multiply
   1,854.88x = 2,559.72 × 1,069.08
4. Step 4: Simplify right side
   1,854.88x = 2,736,545.46
5. Step 5: Solve for x
   x = 2,736,545.46/1,854.88
6. Step 6: Final answer
   x = 1,475.32