Finding the Fourth Proportional to 2,069, 3,103.90 and 914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069 : 3,103.90 = 914.76 : x
2. Step 2: Convert to fraction form
   2,069/3,103.90 = 914.76/x
3. Step 3: Cross multiply
   2,069x = 3,103.90 × 914.76
4. Step 4: Simplify right side
   2,069x = 2,839,323.56
5. Step 5: Solve for x
   x = 2,839,323.56/2,069
6. Step 6: Final answer
   x = 1,372.32