Finding the Fourth Proportional to 1,876.88, 2,589.82 and 1,069.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.88 : 2,589.82 = 1,069.34 : x
2. Step 2: Convert to fraction form
   1,876.88/2,589.82 = 1,069.34/x
3. Step 3: Cross multiply
   1,876.88x = 2,589.82 × 1,069.34
4. Step 4: Simplify right side
   1,876.88x = 2,769,401.92
5. Step 5: Solve for x
   x = 2,769,401.92/1,876.88
6. Step 6: Final answer
   x = 1,475.54