Finding the Fourth Proportional to 2,909.69, 4,361.97 and 1,155.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.69 : 4,361.97 = 1,155.93 : x
2. Step 2: Convert to fraction form
   2,909.69/4,361.97 = 1,155.93/x
3. Step 3: Cross multiply
   2,909.69x = 4,361.97 × 1,155.93
4. Step 4: Simplify right side
   2,909.69x = 5,042,131.98
5. Step 5: Solve for x
   x = 5,042,131.98/2,909.69
6. Step 6: Final answer
   x = 1,732.88