Finding the Fourth Proportional to 2,911.80, 4,369.49 and 1,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.80 : 4,369.49 = 1,156.50 : x
2. Step 2: Convert to fraction form
   2,911.80/4,369.49 = 1,156.50/x
3. Step 3: Cross multiply
   2,911.80x = 4,369.49 × 1,156.50
4. Step 4: Simplify right side
   2,911.80x = 5,053,315.19
5. Step 5: Solve for x
   x = 5,053,315.19/2,911.80
6. Step 6: Final answer
   x = 1,735.46