Finding the Fourth Proportional to 1,835.69, 2,751.46 and 911.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.69 : 2,751.46 = 911.89 : x
2. Step 2: Convert to fraction form
   1,835.69/2,751.46 = 911.89/x
3. Step 3: Cross multiply
   1,835.69x = 2,751.46 × 911.89
4. Step 4: Simplify right side
   1,835.69x = 2,509,028.86
5. Step 5: Solve for x
   x = 2,509,028.86/1,835.69
6. Step 6: Final answer
   x = 1,366.80